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Delaware · Eastern Time Updated July 2026

Area Codes in Delaware

10 codes, from a 1947 original to 2022’s newest, and an 11th on the way

Delaware has 1 active area code. 302 is Dover and its surroundings. Tap any code below for its full guide: who called, cities and ZIP codes, the coverage map and the live local time.

Not sure which code is yours? Every Delaware city is covered below. Find your city ›
Area codes1
Original302 · 1947
Largest metroWilmington
Local time1:40 AM ET
Who called me?

Look up a 404 number, carrier info and spam patterns.

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→Cities & ZIP codes

Every city in the 404, with ZIPs and internet type.

→Coverage map

Exactly where area code 404 reaches.

→Get a 404 number

New lines, porting, keeping your number.

→Home internet

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All 1 Delaware Area Code

Every active code: tap any card for its full guide, who called, cities and ZIPs, map, spam patterns and local time.

302Bear, Bethany Beach, Bridgeville654 prefixes in serviceArea code 302 guide ›
Got a call from a Delaware number you don’t recognize? Open that code’s guide above for its full prefix lookup. AT&T ActiveArmor® blocks spam automatically, 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 how ActiveArmor works

Delaware Area Codes by City

The largest Delaware communities and the area code that serve them. Every city links to its local AT&T internet page.

CityArea code(s)
Wilmington302
Newark302
Dover302
Bear302
Georgetown302
Middletown302
Milford302
Millsboro302
Millville302
New Castle302
Rehoboth Beach302
Seaford302

How Delaware Got Its Codes

Every Delaware area code, in the order it entered service. Splits carved new regions; added codes overlay existing ones, which is why ten-digit dialing is standard.

In serviceCodeHow it arrived
1947302One of the original area codes of 1947

Source: NANPA NPA database, July 2026. Regenerated monthly.

Delaware Area Code Map

Every active Delaware area code at a glance, anchored to the metro each one serves. Tap any code above for its detailed coverage map.

Map of Delaware area codes with anchor cities↓  Printable PDF

Open the printable Delaware area code map (PDF) — poster format with a QR code back to this page.

AT&T IN GEORGIA

Internet, wireless & stores across the state

All AT&T services in Delaware Home internet in Delaware Wireless plans AT&T stores in Delaware

AT&T Home Internet in Delaware

AT&T home internet is available across Delaware, checked address by address; every area code guide above lists its cities and what’s offered there.

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.

Check availability at your addressAll AT&T services in Delaware ›

Start with home internet in Delaware, or pair it with wireless in an internet + wireless bundle.

Family streaming together on AT&T home internet
Home internet across DelawareCheck your address ›

AT&T Wireless in Delaware

AT&T’s 5G network covers most of Delaware. ActiveArmor® spam blocking is included with every unlimited plan, your number stays yours when you move between Delaware codes, and great cell phone deals in Delaware are a tap away.

5G across DelawareActiveArmor® includedKeep your 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 plansBring your number ›

See the AT&T wireless coverage map for Delaware ›

Woman smiling at her phone on a downtown street
Stay connected across DelawareShop wireless plans ›

AT&T Stores Across Delaware

From the Wilmington metro to Georgetown, Newark and beyond, walk in for switching, porting, upgrades and hands-on help. Every area code guide lists its nearest stores.

Find your nearest AT&T store

Find stores in: Wilmington · Georgetown · Newark · Bear · Dover

AT&T store employee helping a customer with her phone
Real help from real people across DelawareFind a store ›

Area Codes in Neighboring States

Maryland area codesPennsylvania area codesNew Jersey area codesAll 50 states ›

Delaware Area Code FAQ

How many area codes does Delaware have?
Delaware has 1 active area code: 302. Each links to a full guide above.
Which Delaware area code is mine?
Tap any code above to see the communities it serves; each guide lists cities with ZIP codes and a coverage map.
Who called me from a Delaware number?
Open that code's guide and check the prefix lookup: every assigned prefix with its carrier. No voicemail? Let it go — legitimate callers leave messages.
What time zone is Delaware in?
Delaware is primarily on Eastern time. The live local time is shown at the top of this page.
Does AT&T offer service in Delaware?
Yes — home internet, wireless and retail stores across Delaware. Availability is checked address by address.
Sources: prefix and carrier assignments from the NANPA central-office code registry; population figures from the U.S. Census Bureau; spam-pattern indicators from FTC Do Not Call filings and AT&T ActiveArmor® network telemetry. Facts are rebuilt from these sources at build time; the page regenerates monthly.
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