Delaware Area Codes: Complete List With Cities Served
Delaware is served by 1 area code. Because the whole state shares 302, it is one of the simplest numbering setups in the country.
Delaware area code list
| Area code | Main places served |
|---|---|
| 302 | Wilmington, Newark, Dover and New Castle |
Place names come from ZIP code records linked to each area code, so they show where a code is most common rather than exact boundaries.
Area codes by major city
| City | Area codes |
|---|---|
| Wilmington | 302 |
| Newark | 302 |
| Dover | 302 |
| Bear | 302 |
| Bethany Beach | 302 |
| Bethel | 302 |
| Bridgeville | 302 |
| Camden Wyoming | 302 |
| Claymont | 302 |
| Clayton | 302 |
| Dagsboro | 302 |
| Delmar | 302 |
| Dover AFB | 302 |
| Ellendale | 302 |
| Felton | 302 |
How to format a Delaware phone number
US numbers have ten digits: the area code, a three-digit exchange and a four-digit line number. A Delaware number is written as (302) 555-0123 for display, or +13025550123 in E.164 format for storage.
Safe numbers for testing
The range 555-0100 to 555-0199 is reserved for fictional use in every area code. Our generator combines these with real local area codes, so test data looks right without reaching a real person.
Create realistic Delaware addresses for testing, with real cities, counties and ZIP codes.
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