| 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 |
|---|---|---|---|
| 302-200 | Sussex | Lewes, DE | Ymax Communications Corp. |
| 302-202 | Kent | Camden, DE | Neutral Tandem-delaware |
| 302-203 | New Castle | Wilmington, DE | Verizon Delaware |
| 302-204 | Sussex | Harbeson, DE | Global Naps South |
| 302-205 | Sussex | Bridgeville, DE | Global Naps South |
| 302-206 | Kent | Camden, DE | Global Naps South |
| 302-207 | Sussex | Dagsboro, DE | Global Naps South |
| 302-208 | New Castle | Bear, DE | Global Naps South |
| 302-209 | Sussex | Delmar, DE | Global Naps South |
| 302-212 | Sussex | Rehoboth, DE | New Cingular Wireless PCS - DC |
| 302-213 | Kent | Dover, DE | Level 3 Communications |
| 302-214 | Kent | Felton, DE | Global Naps South |
| 302-216 | Kent | Frederica, DE | Global Naps South |
| 302-217 | Sussex | Georgetown, DE | Level 3 Communications |
| 302-218 | New Castle | Wilmington, DE | Sprint Spectrum L.p. |
| 302-219 | Sussex | Greenwood, DE | Level 3 Communications |
| 302-220 | New Castle | New Castle, DE | New Cingular Wireless PCS - DC |
| 302-221 | New Castle | New Castle, DE | Cavalier Telephone (mid-atlantic) |
| 302-222 | Kent | Camden, DE | Cellco Partnership DBA Verizon Wireless |
| 302-223 | Kent | Smyrna, DE | Tcg New Jersey - PA |
There are 525 prefixes, In the code area, the major cities are Dover, DE;Newark, DE;Wilmington, DE. The major city is Wilmington.