CallataGuidesLocal business phone numbers in Delaware
24 Delaware cities and towns with their area codes and NANPA-assigned exchanges.
Delaware at a glance
Delaware has 1 geographic area code in service (302), 656 assigned central office codes across 30 rate centers, and 32 carriers holding codes, according to NANPA. Each city page lists its area codes, prefixes and carriers.
Cities and towns
| Place | County | Population (2024) | Area codes | Exchanges |
|---|---|---|---|---|
| Wilmington | New Castle County | 73,176 | 302 | 170 |
| Dover | Kent County | 40,191 | 302 | 49 |
| Newark | New Castle County | 30,506 | 302 | 54 |
| Middletown | New Castle County | 25,686 | 302 | 17 |
| Milford | Sussex County | 14,079 | 302 | 34 |
| Smyrna | Kent County | 13,326 | 302 | 11 |
| Seaford | Sussex County | 8,952 | 302 | 9 |
| Georgetown | Sussex County | 8,098 | 302 | 40 |
| Millsboro | Sussex County | 7,864 | 302 | 7 |
| New Castle | New Castle County | 5,715 | 302 | 42 |
| Laurel | Sussex County | 4,395 | 302 | 9 |
| Camden | Kent County | 4,191 | 302 | 29 |
| Harrington | Kent County | 3,934 | 302 | 7 |
| Milton | Sussex County | 3,773 | 302 | 6 |
| Lewes | Sussex County | 3,702 | 302 | 12 |
| Selbyville | Sussex County | 3,285 | 302 | 9 |
| Ocean View | Sussex County | 3,023 | 302 | 10 |
| Bridgeville | Sussex County | 2,909 | 302 | 7 |
| Delmar | Sussex County | 2,278 | 302 | 9 |
| Delaware City | New Castle County | 1,933 | 302 | 23 |
| Felton | Kent County | 1,375 | 302 | 7 |
| Rehoboth Beach | Sussex County | 1,257 | 302 | 15 |
| Frederica | Kent County | 1,131 | 302 | 7 |
| Greenwood | Sussex County | 1,123 | 302 | 5 |
Places whose NANPA rate center could be matched to a Census place, with at least two exchanges. Sources: NANPA; Census Vintage 2024 estimates.