| District of Delaware area codes: 302 | |
|---|---|
| Country | United States |
| State/Province | Delaware |
| Major City | Wilmington |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 302-927 | Sussex | Dagsboro, DE | Atx Telecommunications Services, Ltd |
| 302-929 | Sussex | Laurel, DE | Tcg New Jersey - PA |
| 302-930 | Kent | Milford, DE | Tcg New Jersey - PA |
| 302-932 | New Castle | Wilmington, DE | Cellco Partnership DBA Verizon Wireless |
| 302-933 | Sussex | Dagsboro, DE | Verizon Delaware |
| 302-934 | Sussex | Dagsboro, DE | Verizon Delaware |
| 302-943 | Kent | Camden, DE | Atx Telecommunications Services, Ltd |
| 302-945 | Sussex | Rehoboth Beach, DE | Verizon Delaware |
| 302-947 | Sussex | Rehoboth Beach, DE | Verizon Delaware |
| 302-956 | Sussex | Bridgeville, DE | Atx Telecommunications Services, Ltd |
| 302-966 | Sussex | Harbeson, DE | Atx Telecommunications Services, Ltd |
| 302-981 | New Castle | Newark, DE | Sprint Spectrum L.p. |
| 302-983 | New Castle | Newark, DE | Sprint Spectrum L.p. |
| 302-984 | New Castle | Wilmington, DE | Verizon Delaware |
| 302-985 | New Castle | Wilmington, DE | Verizon Delaware |
| 302-988 | Sussex | Selbyville, DE | Tcg New Jersey - PA |
| 302-990 | Sussex | Seaford, DE | Tcg New Jersey - PA |
| 302-992 | New Castle | Wilmington, DE | Verizon Delaware |
| 302-993 | New Castle | Wilmington, DE | Verizon Delaware |
| 302-994 | New Castle | Wilmington, DE | Verizon Delaware |
There are 525 prefixes, In the code area, the major cities are Dover, DE;Newark, DE;Wilmington, DE. The major city is Wilmington.