302 Area Code — Delaware
302 is a North American Numbering Plan area code for Delaware, the United States. It covers about 1,021,605 people in 57 towns and 96 ZIP codes, including Wilmington, Newark and Dover.
| Field | Value |
|---|---|
| Area code | 302 |
| Country | United States (+1) |
| State / province | Delaware |
| Type | Standalone (no other NANP code covers the same towns) |
| Time zone | Eastern |
| Population covered | 1,021,605 |
| Towns covered | 57 |
| ZIP codes | 96 |
| Approx. centre | 39.301, -75.527 |
Where area code 302 is used
Area code 302 is assigned to Delaware, the United States, inside the North American Numbering Plan. Numbers in the code are written (302) NXX-XXXX at home and +1 302 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Towns and cities in area code 302
The 57 towns below are the largest in the 302 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| Wilmington | New Castle County | 222,353 | 25 |
| Newark | New Castle County | 141,898 | 10 |
| Dover | Kent County | 76,581 | 5 |
| New Castle | New Castle County | 62,392 | 3 |
| Middletown | New Castle County | 53,234 | 1 |
| Bear | New Castle County | 42,984 | 1 |
| Millsboro | Sussex County | 35,884 | 1 |
| Lewes | Sussex County | 31,938 | 1 |
| Smyrna | Kent County | 27,704 | 1 |
| Seaford | Sussex County | 26,834 | 1 |
| Milford | Sussex County | 23,500 | 1 |
| Georgetown | Sussex County | 20,760 | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| New Castle County | 52 |
| Sussex County | 23 |
| Kent County | 21 |
Nearby area codes
How to dial area code 302
- Within North America: 302 + 7-digit number (302-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 302, then the 7-digit number — for example 00 1 302 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 302?
302 is a North American Numbering Plan area code assigned to Delaware, the United States. It covers about 1,021,605 people in 57 towns.
Is 302 a US or Canadian area code?
302 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 302 in?
Area code 302 is in the Eastern time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.