Area codes 410 and 443
From Wikipedia, the free encyclopedia
North American area codes 410 and 443 are state of Maryland telephone area codes which serve the communities of Baltimore, North East, Rising Sun, the state capital of Annapolis, and the Eastern Shore. Area code 410 was split from area code 301 on October 6, 1991. The overlay area code, 443, was introduced on June 1, 1997.
The counties and independent city served by these area codes include:
- Anne Arundel
- Baltimore City
- Baltimore County
- Caroline
- Calvert
- Carroll
- Cecil
- Dorchester
- Harford
- Howard
- Kent
- Queen Anne's
- Somerset
- Talbot
- Wicomico
- Worcester
| State of Maryland Area Codes: 240, 301, 410, 443 | ||
|---|---|---|
| North: 717, 484/610/835 | ||
| West: 301/240 | area codes 410/443 | East: 302 |
| South: 757 | ||
| State of Delaware Area Code: 302 | ||
| Commonwealth of Pennsylvania Area Codes: 215, 267, 412, 484, 570, 610, 717, 724, 814, 835, 878 | ||
| Commonwealth of Virginia Area Codes: 276, 434, 540, 571/703, 757, 804 | ||
