| 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 |
|---|---|---|---|
| 302-266 | New Castle | Newark, DE | Verizon Delaware |
| 302-268 | New Castle | Wilmington, DE | Leap Wireless Intl DBA Cricket Comm |
| 302-269 | Kent | Dover, DE | Xo Delaware |
| 302-270 | Kent | Camden, DE | Cellco Partnership DBA Verizon Wireless |
| 302-272 | Kent | Camden, DE | Cellco Partnership DBA Verizon Wireless |
| 302-273 | New Castle | Newark, DE | Comcast Phone Of Delaware |
| 302-275 | New Castle | Wilmington, DE | Sprint Spectrum L.p. |
| 302-276 | New Castle | New Castle, DE | Sprint Spectrum L.p. |
| 302-277 | New Castle | Wilmington, DE | Aquis Communications |
| 302-279 | New Castle | Middletown, DE | Broadwing Communications |
| 302-280 | Sussex | Laurel, DE | Cavalier Telephone (mid-atlantic) |
| 302-281 | New Castle | Wilmington, DE | Metro PCS |
| 302-282 | New Castle | Wilmington, DE | Verizon Delaware |
| 302-283 | New Castle | Newark, DE | Verizon Delaware |
| 302-284 | Kent | Felton, DE | Verizon Delaware |
| 302-285 | New Castle | Middletown, DE | Cavalier Telephone (mid-atlantic) |
| 302-286 | New Castle | Newark, DE | Verizon Delaware |
| 302-287 | New Castle | Wilmington, DE | Cellco Partnership DBA Verizon Wireless |
| 302-288 | New Castle | Wilmington, DE | Xo Delaware |
| 302-289 | Kent | Felton, DE | Broadwing Communications |
There are 525 prefixes, In the code area, the major cities are Dover, DE;Newark, DE;Wilmington, DE. The major city is Wilmington.