Home › Delaware
Delaware Area Codes
Delaware has 1 area code in service: 302.
Largest cities
| City | Area codes |
|---|---|
| Wilmington | 302 |
| Dover | 302 |
| Newark | 302 |
| Middletown | 302 |
| Bear | 302 |
| Glasgow | 302 |
| Brookside | 302 |
| Milford | 302 |
| Hockessin | 302 |
| Smyrna | 302 |
| Pike Creek Valley | 302 |
| Claymont | 302 |
All area codes in Delaware
| Code | Main cities | Overlay | In service since | Projected exhaust |
|---|---|---|---|---|
| 302 | Wilmington, Dover, Newark, Middletown | — | 1947 | 2034 |
656 prefixes are in use across Delaware. Exhaust years are NANPA's 2026 forecast.