| 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 |
|---|---|---|---|
| 302-246 | New Castle | Wilmington, DE | Cavalier Telephone (mid-atlantic) |
| 302-247 | New Castle | Wilmington, DE | Usa Mobility Wireless |
| 302-248 | Sussex | Delmar, DE | Cavalier Telephone (mid-atlantic) |
| 302-249 | Kent | Milford, DE | New Cingular Wireless PCS - DC |
| 302-250 | New Castle | Wilmington, DE | Sprint Spectrum L.p. |
| 302-251 | Sussex | Ocean View, DE | Cavalier Telephone (mid-atlantic) |
| 302-252 | New Castle | Wilmington, DE | Tcg New Jersey - PA |
| 302-253 | Sussex | Georgetown, DE | Cavalier Telephone (mid-atlantic) |
| 302-254 | New Castle | Wilmington, DE | Cavalier Telephone (mid-atlantic) |
| 302-255 | New Castle | Wilmington, DE | Verizon Delaware |
| 302-256 | New Castle | Wilmington, DE | Comcast Phone Of Delaware |
| 302-257 | Kent | Dover, DE | Peerless Network Of Delaware |
| 302-258 | Sussex | Georgetown, DE | Xo Delaware |
| 302-259 | Sussex | Georgetown, DE | Sprint Spectrum L.p. |
| 302-260 | Sussex | Rehoboth, DE | Sprint Spectrum L.p. |
| 302-261 | New Castle | Bear, DE | Xo Delaware |
| 302-262 | Sussex | Seaford, DE | Cavalier Telephone (mid-atlantic) |
| 302-263 | Kent | Dover, DE | Scott Sabo DBA Allpage |
| 302-264 | Kent | Dover, DE | Sprint Spectrum L.p. |
| 302-265 | Kent | Milford, DE | New Cingular Wireless PCS - DC |
There are 525 prefixes, In the code area, the major cities are Dover, DE;Newark, DE;Wilmington, DE. The major city is Wilmington.