640 Area Code: Trenton, NJ | Who Called, Map & Local Time

Who Called Me from Area Code 640?

Quick answerA 640 call usually comes from Trenton or nearby communities, but caller ID can be spoofed, so a local-looking number isn’t proof. If there’s no voicemail, let it go: legitimate callers leave messages.

No voicemail? Let it go. Real callers leave messages.
Recognize the pattern? Check the number in the prefix lookup.
Getting repeats? ActiveArmor® blocks and labels them automatically.
Same prefix calling again? Compare it against this month’s most-reported 640 prefixes, right on this page.
Curious who issued a number? Every 640 prefix belongs to a carrier — the registry names it.

Been targeted?Report the call at reportfraud.ftc.gov — reports feed the complaint data that powers spam blocking, including the board on this page. AT&T customers already have ActiveArmor® screening built in.

Most-reported 640 prefixes this month

PrefixReported patternReport volume

(640) 243-XXXXRobocall-heavy

(640) 202-XXXXRobocall-heavy

(640) 837-XXXXRobocall-heavy

(640) 256-XXXXRobocall-heavy

(640) 666-XXXXRobocall-heavy

41 unwanted-call reports naming 640 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.

Block spam calls in the 640, included with AT&T wireless

AT&T ActiveArmor® is the network-level security that screens the calls this page is about:

Fraud calls blocked automatically on the network
Suspected spam labeled before you answer
Caller ID & custom call blocking in the free app
Reverse number lookup (available with ActiveArmor Advanced security. Fee required.)
Identity monitoring & identity theft insurance (available with ActiveArmor Advanced security. Fee required.)

Included with AT&T wireless plans. Requires compatible device/service and download of the AT&T ActiveArmor® app. Other terms & restrictions apply. May not detect all threats and may block wanted calls. Some features require Advanced mobile security ($7/mo.). See terms.

See how ActiveArmor works Included with the free 30-day AT&T Wireless^℠ trial

Try AT&T Wireless^℠ free for 30 daysDownload the AT&T app, activate a trial eSIM in minutes, and run our network side by side with your current service. No credit card, keep your number.

100GB of data plus 25GB hotspot
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Start your free trialCompatible iPhone required. 5G requires a compatible plan and device; coverage not available everywhere. Terms & restrictions apply.

Offer details

Service good for 30 days. Data: Limited to 100GB of data and 25GB of hotspot data. No additional data is available after limit is reached. Video is limited to SD quality. Talk & Text: Includes unlimited talk & text within the U.S. and unlimited text from the U.S. to over 230 countries. Limits: One trial per user. An unlocked, dual eSIM iPhone is required. You’ll receive a trial phone number that belongs to AT&T and is not available to be ported to another carrier or otherwise retained. Trial plan features and details may differ from or be unavailable in other AT&T plans. U.S. only. All terms subject to change at any time.

Is Area Code 640 a Scam?

No. 640 is a legitimate Trenton area code.

It’s added to the 609 region in 2018 and serves Trenton and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.

The code is realAdded to the 609 region in 2018; 126 assigned carrier prefixes serve it today.

Spoofing happens“Neighbor spoofing” fakes local numbers. No voicemail? Let it go.

Screening includedActiveArmor® labels and blocks suspected spam. Included with AT&T wireless plans.

Been targeted? Report it to the FTC at reportfraud.ftc.gov. Reports feed the complaint data that powers spam blocking.

Scam texts from area code 640 numbers

The most common area code 640 text scam is the “wrong number” opener: a friendly message that pretends to know you, then moves the chat to WhatsApp and eventually to an investment pitch. Scripts currently circulating:

“U at home?” · “Are you busy tomorrow?” · “How are you doing?”
Delivery-problem and job-offer texts that link out to a login page

Don’t reply. A response marks your number as live. Forward scam texts to 7726 (SPAM), and AT&T ActiveArmor® filters known senders automatically.

How number spoofing works in area code 640

Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 640 number isn’t involved and usually has no idea. That’s why blocking one number rarely stops the calls.

A call from a number almost identical to yours (same 640 and prefix) is “mirror spoofing.” A missed call from your own number is never worth returning.
Strangers calling you back saying you called them? Your 640 number is being spoofed. It typically passes within days, and you don’t need a new number. Report it at reportfraud.ftc.gov.
The caller-ID checkmark: AT&T verifies network calls (STIR/SHAKEN). A verified mark means the displayed number wasn’t faked. No mark doesn’t always mean scam, but treat it with more caution.

Spoofed or not, the rule holds: unexpected caller, no voicemail? Let it go.

640 Area Code Prefix & Carrier Lookup

The three digits after the area code identify the carrier a number was issued to. All 126 assigned 640 prefixes below are real, from the public numbering registry. Type to filter.

This isn’t a reverse phone lookup: no legitimate free service can tell you who owns a specific number. What a 640 prefix does show: the carrier that issued it, whether it’s wireless, landline or VoIP, and the community it belongs to, which is often enough to judge whether a call was worth returning.

126 prefixes · updated monthly

Prefix	Carrier	Line type
640-200	Onvoy (Sinch)	VoIP
640-201	Ip Horizon	Landline
640-202	Ip Horizon	Landline
640-203	Verizon Wireless	Wireless
640-204	Verizon Wireless	Wireless
640-205	Comcast (Xfinity Voice)	VoIP
640-206	Comcast (Xfinity Voice)	VoIP
640-207	Bandwidth.com	VoIP
640-208	Verizon Wireless	Wireless
640-209	T-Mobile (Omnipoint)	Landline
640-210	AT&T Mobility	Wireless
640-212	T-Mobile (Omnipoint)	Landline
640-213	T-Mobile (Omnipoint)	Landline
640-214	Bandwidth.com	VoIP
640-216	Bandwidth.com	VoIP
640-217	Bandwidth.com	VoIP
640-218	Bandwidth.com	VoIP
640-219	AT&T Mobility	Wireless
640-220	Onvoy Spectrum (Sinch)	VoIP
640-221	AT&T Mobility	Wireless
640-222	Terra Nova Telecom	Landline
640-223	T-Mobile (Omnipoint)	Landline
640-224	Onvoy Spectrum (Sinch)	VoIP
640-225	T-Mobile (Omnipoint)	Landline
640-226	Bandwidth.com	VoIP
640-227	Ton80 Communications	Landline
640-228	AT&T Mobility	Wireless
640-229	Boost Mobile	Landline
640-230	T-Mobile (Omnipoint)	Landline
640-231	Onvoy (Sinch)	VoIP
640-232	Onvoy (Sinch)	VoIP
640-233	Onvoy (Sinch)	VoIP
640-234	T-Mobile (Omnipoint)	Landline
640-235	T-Mobile (Omnipoint)	Landline
640-236	Bandwidth.com	VoIP
640-237	Onvoy (Sinch)	VoIP
640-238	Nuso	Landline
640-239	Nuso	Landline
640-240	AT&T Mobility	Wireless
640-241	Verizon Wireless	Wireless
640-242	T-Mobile (Omnipoint)	Landline
640-243	Onvoy (Sinch)	VoIP
640-244	AT&T Mobility	Wireless
640-245	Nuso	Landline
640-246	Nuso	Landline
640-247	Boost Mobile	Landline
640-248	Boost Mobile	Landline
640-249	Boost Mobile	Landline
640-250	Verizon Wireless	Wireless
640-251	Verizon Wireless	Wireless
640-252	Verizon Wireless	Wireless
640-253	AT&T Mobility	Wireless
640-254	Callworks Corporation	Landline
640-256	Onvoy (Sinch)	VoIP
640-257	Onvoy (Sinch)	VoIP
640-258	Onvoy (Sinch)	VoIP
640-259	T-Mobile (Omnipoint)	Landline
640-260	Onvoy (Sinch)	VoIP
640-261	AT&T Mobility	Wireless
640-263	T-Mobile (Omnipoint)	Landline
640-264	AT&T Mobility	Wireless
640-265	AT&T Mobility	Wireless
640-266	Ton80 Communications	Landline
640-267	T-Mobile (Omnipoint)	Landline
640-268	AT&T Mobility	Wireless
640-269	AT&T Mobility	Wireless
640-270	AT&T Mobility	Wireless
640-271	T-Mobile (Omnipoint)	Landline
640-272	Onvoy (Sinch)	VoIP
640-273	Onvoy (Sinch)	VoIP
640-274	Onvoy (Sinch)	VoIP
640-275	AT&T Mobility	Wireless
640-276	AT&T Mobility	Wireless
640-277	AT&T Mobility	Wireless
640-278	AT&T Mobility	Wireless
640-279	Onvoy (Sinch)	VoIP
640-280	T-Mobile (Omnipoint)	Landline
640-281	T-Mobile (Omnipoint)	Landline
640-282	AT&T Mobility	Wireless
640-283	Onvoy (Sinch)	VoIP
640-284	AT&T Mobility	Wireless
640-285	AT&T Mobility	Wireless
640-286	AT&T Mobility	Wireless
640-287	AT&T Mobility	Wireless
640-288	Verizon Wireless	Wireless
640-289	AT&T Mobility	Wireless
640-290	AT&T Mobility	Wireless
640-291	AT&T Mobility	Wireless
640-292	T-Mobile (Omnipoint)	Landline
640-293	AT&T Mobility	Wireless
640-294	AT&T Mobility	Wireless
640-295	AT&T Mobility	Wireless
640-296	Wavenation	Landline
640-297	Onvoy (Sinch)	VoIP
640-298	AT&T Mobility	Wireless
640-299	Onvoy (Sinch)	VoIP
640-300	Onvoy (Sinch)	VoIP
640-301	Onvoy (Sinch)	VoIP
640-302	AT&T Mobility	Wireless
640-333	FracTEL	Landline
640-344	Onvoy Spectrum (Sinch)	VoIP
640-345	FracTEL	Landline
640-356	FracTEL	Landline
640-357	T-Mobile (Omnipoint)	Landline
640-400	Onvoy (Sinch)	VoIP
640-444	FracTEL	Landline
640-465	Ahoi	Landline
640-466	Ton80 Communications	Landline
640-500	Onvoy (Sinch)	VoIP
640-529	FracTEL	Landline
640-600	Onvoy (Sinch)	VoIP
640-614	Onvoy (Sinch)	VoIP
640-644	Onvoy Spectrum (Sinch)	VoIP
640-650	Onvoy Spectrum (Sinch)	VoIP
640-666	FracTEL	Landline
640-696	Skye Telecom LLC dba Skyetel	Landline
640-777	Terra Nova Telecom	Landline
640-800	Onvoy (Sinch)	VoIP
640-837	Coretel New Jersey	Landline
640-866	Ton80 Communications	Landline
640-867	Commio	Landline
640-880	8X8	Landline
640-888	Terra Nova Telecom	Landline
640-900	Onvoy (Sinch)	VoIP
640-962	Onvoy (Sinch)	VoIP
640-999	FracTEL	Landline

Line type reflects the registry assignment; ported numbers can differ. Unknown 640 number calling? ActiveArmor® screens it before you ever look it up.

Cities & Communities in and around Area Code 640

Communities the 640 serves, filtered against the numbering registry’s rate centers, with each community’s key ZIP codes and the AT&T home internet available there. Cities link to their local AT&T internet page.

City / community	Key ZIP codes	AT&T internet
Absecon	08201, 08232, 08401	Internet Air
Allentown	08691, 08501, 08620	Internet Air
Atco	08004, 08009, 08091	Internet Air
Atlantic City	08401, 08406, 08232	Internet Air
Avalon	08202, 08247, 08243	Internet Air
Barnegat	08050, 08758, 08005	Internet Air
Beach Haven	08008, 08092, 08087	Internet Air
Belle Mead	08502, 08844, 08821	Internet Air
Bellmawr	08031, 08059, 08078	Internet Air
Blackwood	08012, 08032, 08029	Internet Air
Bordentown	08505, 08611, 08610	Internet Air
Bridgeton	08302, 08353, 08320	Internet Air
Brigantine	08203, 08401, 08205	Internet Air
Browns Mills	08640, 08015, 08064	Internet Air
Buena	08341, 08326, 08310	Check address
Burlington	08016, 19021, 19007	Internet Air
Cape May	08204, 08212, 08260	Internet Air
Cape May Court House	08210, 08247, 08202	Internet Air
Clayton	08312, 08028, 08322	Internet Air
Clementon	08021, 08026, 08084	Internet Air
Collingswood	08107, 08108, 08106	Internet Air
Cookstown	08511, 08641, 08640	Internet Air
Cranbury	08512, 08536, 08810	Internet Air
Cream Ridge	08514, 08501, 08562	Internet Air
Dorothy	08317, 08319, 08340	Internet Air
Estell Manor	08319, 08317, 08270	Internet Air
Forked River	08734, 08758, 08752	Internet Air
Freehold	07728, 07726, 07746	Internet Air
Glassboro	08028, 08071, 08074	Internet Air
Haddon Heights	08035, 08106, 08007	Internet Air
Haddonfield	08033, 08034, 08045	Internet Air
Hammonton	08037, 08095, 08089	Internet Air
Hightstown	08520, 08561, 08512	Internet Air
Hopewell	08525, 08558, 08534	Internet Air
Jobstown	08041, 08042, 08022	Internet Air
Lambertville	08530, 18938, 08559	Internet Air
Lawrenceville	08648, 08534, 08638	Check address
Linwood	08221, 08225, 08403	Internet Air
Longport	08403, 08402, 08221	Internet Air
Magnolia	08049, 08045, 08007	Internet Air
Manahawkin	08050, 08092, 08008	Internet Air
Margate City	08402, 08406, 08403	Internet Air
Marlton	08003, 08053, 08054	Internet Air
Marmora	08223, 08226, 08248	Internet Air
Mays Landing	08330, 08234, 08317	Internet Air
Merchantville	08109, 08110, 08002	Internet Air
Milmay	08317, 08350, 08340	Check address
New Egypt	08511, 08562, 08533	Internet Air
Oaklyn	08107, 08106, 08108	Internet Air
Ocean City	08226, 08223, 08244	Internet Air
Ocean View	08246, 08230, 08243	Internet Air
Pennington	08534, 08560, 08628	Internet Air
Pitman	08071, 08080, 08074	Internet Air
Pleasantville	08232, 08225, 08201	Internet Air
Port Republic	08241, 08205, 08240	Internet Air
Princeton	08542, 08540, 08544	Internet Air
Princeton Junction	08536, 08544, 08542	Internet Air
Ringoes	08551, 08530, 08525	Internet Air
Rio Grande	08242, 08260, 08251	Internet Air
Roebling	08554, 08518, 08505	Internet Air
Sea Isle City	08243, 08230, 08248	Internet Air
Sewell	08080, 08051, 08090	Internet Air
Somers Point	08244, 08221, 08403	Internet Air
Stone Harbor	08247, 08202, 08260	Internet Air
Strathmere	08248, 08230, 08243	Internet Air
Swedesboro	08085, 08056, 08039	Internet Air
Thorofare	08086, 08063, 08066	Internet Air
Titusville	08560, 18977, 08628	Internet Air
Tuckerton	08087, 08092, 08008	Internet Air
Ventnor City	08406, 08402, 08401	Internet Air
Villas	08251, 08242, 08204	Internet Air
Vineland	08360, 08361, 08341	Internet Air
Voorhees	08873, 08901, 08902	Internet Air
Waretown	08758, 08734, 08006	Internet Air
Westville	08093, 08030, 08031	Internet Air
Wildwood	08260, 08242, 08247	Internet Air
Williamstown	08094, 08081, 08009	Internet Air
Woodbury	08096, 08097, 08093	Check address
Wrightstown	08042, 08641, 08041	Internet Air

City list: AT&T service-area records and the public numbering registry. Key ZIPs: U.S. Census data for each community. Internet type: AT&T eligibility data, June 2026. Availability is always confirmed at your exact address.

640 Area Code Map

Area code 640 serves Trenton and nearby communities in NJ.

Map of area code 640 coverage in New Jersey

↓ Printable PDF

Open the printable 640 map (PDF) · All New Jersey area codes · Home internet in Trenton

Counties Covered by the 640 Area Code

Middlesex County

Share of combined population18%

Population863,162

Largest 640 cityCranbury

Monmouth County

Share of combined population13%

Population643,615

Largest 640 cityAllentown

Ocean County

Share of combined population13%

Population637,229

Largest 640 cityBarnegat

Camden County

Share of combined population11%

Population523,485

Largest 640 cityAtco

Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 640 also reaches parts of Burlington County, Mercer County, Somerset County, Gloucester County, Atlantic County, Cumberland County, Hunterdon County, Cape May County.

The 640, explained

Area Code 640: More Than a Number in Trenton

In Trenton, the 640 is more than digits on a caller ID. It arrived in 2018, layered onto the 609 region, and it has meant Trenton and surrounding communities ever since — 126 carrier prefixes keep its lines busy today, and an established 640 number still says you’ve been here a while.

The map tells its own story: Trenton and surrounding communities, with 609 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 640 came first.

Keeping a 640 matters here. An existing 640 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S. New lines in the area often draw 609 instead — one more reason locals hold on to theirs.

Need a new local number? Shop plans Keep your 640: bring it to AT&T

Internet, wireless & stores in the 640

AT&T Home Internet in Area Code 640

AT&T home internet serves communities across area code 640, with AT&T Fiber where it’s built and AT&T Internet Air covering the gaps. Availability is decided address by address; every community in the table above links to its local internet page.

No data capsNo annual contractNo equipment fees

AT&T Fiber: Ltd. avail/areas. Speeds based on wired connection. Actual speeds vary. For 5-GIG, single device wired speed maximum 4.7Gbps. For more info., visit att.com/speed101. AT&T Internet Air: AT&T Internet Air not available in all areas. In rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a minimum of 30 min.

Check availability at your address Home internet in Trenton ›

Pair it with wireless in an internet + wireless bundle. Run a business in the 640? AT&T Business Internet is available at many addresses.

Family streaming together on AT&T home internet

Fiber install day in the 640Check your address ›

Moving to Area Code 640?

Set up home internet in area code 640 before the boxes arrive, and find your new community in the table above or check your exact address below.

Your number moves with you: port your 640 number from anywhere, or keep your old number when you arrive. An AT&T store nearby can handle the whole switch in one visit.

1 · Check your addressSee Fiber or Internet Air availability in seconds.

2 · Schedule for move-in dayInstall lined up before the boxes arrive.

3 · Keep your numberYour mobile number ports; your internet moves.

Plan your move with AT&T

Couple setting up internet on a laptop among moving boxes

Get set up before move-in dayPlan your move ›

AT&T Wireless in Area Code 640

AT&T’s 5G network covers most of area code 640. ActiveArmor® spam blocking is included with every unlimited plan, your 640 number stays yours, and great cell phone deals in Trenton are a tap away.

5G across the 640ActiveArmor® includedKeep your 640 number

AT&T may temporarily slow data speeds if the network is busy. 5G req’s compatible plan & device. Coverage not available everywhere. Learn more at att.com/5Gforyou.

Shop wireless plans Bring your 640 number ›

Need a new 640 number? Ask when you activate a line: the 640 shares its territory with 609, so new lines may draw one of those codes, and porting an existing 640 number keeps it yours.

See the AT&T wireless coverage map for the 640 ›

Woman smiling at her phone on an Trenton street

Stay connected across TrentonShop wireless plans ›

AT&T Stores in Area Code 640

Looking for cell phone stores in area code 640? These stores serve the 640 area — walk in for switching, porting, upgrades and hands-on help. (The 640 is new enough that most local stores still answer on longer-established numbers.)

Absecon AT&T Store Galloway 254 East Jimmy Leeds Rd, Absecon+1 609-241-6247

Barnegat AT&T Store Barnegat 905 West Bay Ave, Barnegat+1 609-607-9200

Bayville AT&T Store Bayville 279 Atlantic City Blvd, Bayville+1 732-606-9929

Cell phone stores in Trenton › All 43 locations: company owned and authorized retailers

Every AT&T store in the region, company owned and authorized retailer alike, each with its own store page.

AT&T store employee helping a customer with her phone

Real help from real people in TrentonFind your store ›

All AT&T Stores Serving the 640 Area

Every AT&T store serving the 640’s communities. Tap any number to call.

28 AT&T locations serving the 640 area

City	Store	Phone
Absecon	AT&T Store Galloway	+1 609-241-6247
Barnegat	AT&T Store Barnegat	+1 609-607-9200
Bayville	AT&T Store Bayville	+1 732-606-9929
Bordentown	AT&T Store Bordentown	+1 609-298-9393
Bridgeton	AT&T Store Bridgeton	+1 856-751-1408
Browns Mills	AT&T Store Browns Mills	+1 609-893-9393
Burlington	AT&T Store Nj Store	+1 609-438-6838
Cape May Court House	AT&T Store Cape May	+1 609-901-3010
Forked River	AT&T Store Forked River	+1 609-242-8400
Freehold	AT&T Store Raceway Mall Store	+1 732-348-2697
Freehold	AT&T Store Freehold	+1 732-625-3777
Glassboro	AT&T Store Glassboro	+1 856-347-3720
Lawrenceville	AT&T Store Lawrence Twp	+1 609-394-9393
Lawrenceville	AT&T Store Quaker Bridge Mall	+1 609-799-9393
Lawrenceville	AT&T Store Mercer Mall Nj Store	+1 609-438-6846
Manahawkin	AT&T Store Manahawkin	+1 609-857-1997
Marlton	AT&T Store Promenade Store	+1 856-414-8722
Mays Landing	AT&T Store Mays Landing Store	+1 609-438-6840
Pennington	AT&T Store Pennington	+1 609-730-9393
Princeton	AT&T Store Princeton	+1 609-720-9393
Rio Grande	AT&T Store Rio Grande	+1 609-308-3743
Sewell	AT&T Store Sewell	+1 856-629-0002
Somers Point	AT&T Store Somers Point	+1 609-756-3656
Swedesboro	AT&T Store Swedesboro	+1 856-422-5003
Tuckerton	AT&T Store Tuckerton	+1 609-294-0203
Vineland	AT&T Store Vineland	+1 856-691-6400
Vineland	AT&T Store Cumberland Mall Store	+1 856-414-8716
Woodbury	AT&T Store Deptford Mall Store	+1 856-414-8718

International Calling from Area Code 640

Calling abroad from area code 640? AT&T International Calling adds discounted or unlimited rates to 200+ countries on top of your existing plan, and unlimited texting from the U.S. to 200+ destinations is already included on AT&T unlimited plans.

Where the 640 calls most:IndiaDominican RepublicMexicoEcuadorColombia

Top places of birth among foreign-born residents of the 640’s counties, U.S. Census Bureau ACS 2023.

Calling abroad from a 640 number: dial 011 + country code + number (or just + on a mobile). Traveling abroad instead? International Day Pass® takes your talk, text and data with you for a flat daily rate.

International Calling and International Day Pass® availability, rates and included destinations vary by plan; see att.com for the current country list.

See international calling plans

Father and son waving during a video call with family abroad

Trenton calls the worldSee international plans ›

640 Area Code Quick Facts & Dialing

StateNew Jersey

Time zoneEastern

Overlays609share this territory

Established2018added to the 609 region

Dialing10 digitsrequired

Toll-free?Nogeographic code

Population4.82Mcounties served, Census 2023

Largest cityTrenton+78 more ›

How to dial a 640 number

Scenario	Format	Example
Local call (within the region)	640 + 7-digit number	(640) 555-0100
Long distance (within the U.S.)	1 + 640 + 7-digit number	1 (640) 555-0100
Calling 640 from another country	+1 640 + 7-digit number	+1 640 555 0100
From a mobile phone	(640) + 7-digit number	(640) 555-0100

A Short History of Area Code 640

Added in 2018 to the 609 region, the 640 serves Trenton and surrounding communities. No splits or overlays have divided its territory since.

2018Added to the 609 region

In service since 2018. Today the 640’s territory is shared with overlay code 609, so ten-digit dialing is required.

Nearby & Related Area Codes

609Overlay 856Also New Jersey 267PA 215PA 732Also New Jersey

Browse area codes by state: New Jersey (10) · California (41) · Texas (29) · Florida (23) · all 50 states ›

Area Code 640 FAQ

What area code is 640?

640 is the area code for Trenton, New Jersey and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.

Where is area code 640?

Area code 640 serves Trenton, New Jersey and nearby communities including Absecon, Allentown, Atco. The full city list is in the cities table above.

Why did I get a text message from a 640 number?

The most common 640 text scam opens like a wrong number (“u at home?”, “are you busy tomorrow?”) and tries to move you to WhatsApp. Don’t reply. Forward the text to 7726 (SPAM) and delete it. AT&T ActiveArmor® filters known scam senders automatically.

Who called me from area code 640?

A 640 number usually means Trenton or a nearby community, but spoofing is common. This page’s prefix lookup isn’t a reverse phone lookup — it can’t name the caller, but it shows the carrier, line type and community a number was issued to, which is often enough to judge a call.

What time zone is area code 640?

Eastern time. The live local time is shown at the top of this page.

Why am I getting calls from 640 numbers?

640 is an active, legitimate New Jersey area code, but scammers spoof local numbers because people answer them. If there’s no voicemail, let it go. AT&T ActiveArmor® blocks and labels spam automatically, and you can report unwanted calls at reportfraud.ftc.gov. The spam report board above shows which 640 prefixes are drawing complaints right now.

Is 640 a toll-free number?

No. 640 is a geographic area code tied to Trenton, New Jersey. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.

What’s the difference between 640 and 609?

Nothing on the map: 640 is an overlay of 609, covering the same Trenton area. Calls between them are local; only the three digits at the front differ.

Which cities use area code 640?

The largest communities include Absecon, Allentown, Atco, Atlantic City, Avalon. The full list is in the cities table above.

Does AT&T offer service in the 640?

Yes: home internet, wireless and retail stores across the 640. Availability is checked address by address.

Can I still get a 640 number?

Yes. Carriers in Trenton and across the 640 still issue 640 numbers on new lines, and you can port an existing 640 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.

Can I keep my 640 number if I move?

Yes. Phone numbers are portable: your 640 number can move with you anywhere in the U.S., whether you stay with your carrier or switch.

Sources: city and store data from AT&T records; prefix and carrier assignments from the public numbering registry (pulled July 2026). Facts regenerate monthly.