The 302 area code covers Wilmington, Newark and 24 more places in Delaware.
Area code 302 is in Delaware, on Eastern Time. In the 302 area, phone numbers are given out most in New Castle County, then Sussex and Kent counties. It has been in service since 1947.
- Where
- New Castle County, Sussex County and Kent County, Delaware
- Time zone
- Eastern Time
- In service since
- 1947, one of the original area codes
- Shares its area with
- No other area code
- Prefixes in use
- 656
- How to dial
- Local calls need all 10 digits: 302-555-0142.
Find out who called you from a 302 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (302) number is on today, use our free carrier lookup.
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Wilmington holds 26% of the phone prefixes in area code 302.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 656 prefixes in use shows where 302 numbers are actually given out.
- Wilmington170 prefixes, 26%
- Newark54 prefixes, 8%
- Dover49 prefixes, 7%
- New Castle42 prefixes, 6%
- Georgetown40 prefixes, 6%
- Milford34 prefixes, 5%
- Delaware City23 prefixes, 4%
- Hockessin19 prefixes, 3%
Also served: Middletown, Rehoboth Beach, Lewes and Smyrna and 14 smaller places.
Of the carriers named here, PAETEC (Windstream) holds the most phone number prefixes in area code 302: 74 of 656.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 656 prefixes in use in 302 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| PAETEC (Windstream)Windstream's business phone network | 74 | 11% |
| AT&T MobilityMobile network | 54 | 8% |
| T-MobileMobile network | 51 | 8% |
| Teleport (AT&T)AT&T's business phone network | 34 | 5% |
| Level 3 (Lumen)Lumen's business and wholesale network | 27 | 4% |
| BandwidthSupplies numbers to VoIP and app-based phone services | 16 | 2% |
| 24 other carriers | 400 | 61% |
76% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
302 has covered the same ground since 1947.
1947
302 is one of the original North American area codes.
A 302 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 302 are 410, 856 and 609.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
These are the questions people ask most about area code 302.
Where is area code 302?
302 covers Wilmington, Newark, Dover and New Castle and 22 more places in Delaware. In the 302 area, phone numbers are given out most in New Castle County, then Sussex and Kent counties.
What state is area code 302 in?
Delaware. 302 is a Delaware area code on Eastern Time.
What cities use area code 302?
The places holding the most 302 prefixes are Wilmington, Newark, Dover, New Castle, Georgetown, Milford, Delaware City and Hockessin, out of 26 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 302?
No single phone company owns 302. NANPA's records list its 656 prefixes across many carriers, and the ones named on this page include PAETEC (Windstream), AT&T Mobility and T-Mobile. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 302 in?
302 is on Eastern Time.
When did area code 302 start?
302 is one of the original North American area codes, in service since 1947.
How do I dial a 302 number?
Local calls need all 10 digits: 302-555-0142.
Is 302 a toll-free number?
No. 302 is a regular area code for Wilmington and Newark in Delaware, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 302?
The closest are 410/443/667 (Baltimore, Maryland), 856 (Camden, New Jersey), 609/640 (Atlantic City, New Jersey) and 215/267/445 (Philadelphia, Pennsylvania), measured between the centres of each area.
Who called me from a 302 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 302 a scam?
302 is a real Delaware area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.