Language & Reference · Reference dataset
U.S. Area Codes
Telephone area codes in the 50 states and the District of Columbia, with each code's state, the main cities or area it serves, whether it is in service and the date it entered service. Codes that overlay the same area share a location. It includes codes that are assigned but not yet in service, with their planned date where one is set.
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The 10 most recently added of 375 records · Select a column heading to sort.
| ID | Area code | State code | State | Location | In service | In service date |
|---|---|---|---|---|---|---|
| 366 | 973 | NJ | New Jersey | Newark, Paterson and northern New Jersey | True | 1997-06-01 |
| 367 | 975 | MO | Missouri | Kansas City, St. Joseph, Independence and western Missouri | True | 2023-10-13 |
| 368 | 978 | MA | Massachusetts | Lowell, Lawrence, Fitchburg and northeastern Massachusetts | True | 1997-09-01 |
| 369 | 979 | TX | Texas | College Station, Bryan, Lake Jackson and Bay City | True | 2000-02-19 |
| 370 | 980 | NC | North Carolina | Charlotte, Concord, Gastonia and south-central North Carolina | True | 2001-04-01 |
| 371 | 983 | CO | Colorado | Denver, Boulder, Aurora and the Denver metropolitan area | True | 2022-06-17 |
| 372 | 984 | NC | North Carolina | Raleigh, Durham, Chapel Hill and the Research Triangle | True | 2012-04-30 |
| 373 | 985 | LA | Louisiana | Houma, Slidell, Hammond and southeastern Louisiana | True | 2001-02-12 |
| 374 | 986 | ID | Idaho | Entire state | True | 2017-09-05 |
| 375 | 989 | MI | Michigan | Saginaw, Bay City, Midland, Mount Pleasant and northeastern Lower Michigan | True | 2001-04-07 |
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Last checked against sources: November 5, 2026.
Last changed: November 5, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.
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