To faciltiate users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.
An area code denotes the regional location of a phone number within the United States.
The Area Code table below shows an area codes each.
Area Code 351 listing, by city
@The cities listed with each area code are the major cities for that area code;
| City / State | Area code | Zip Code | County | Iso | |
|---|---|---|---|---|---|
| Andover (Massachusetts) | 351 | 1812 | Essex | US-MA | |
| Andover (Massachusetts) | 351 | 1899 | Essex | US-MA | |
| Andover (Massachusetts) | 351 | 5501 | Essex | US-MA | |
| Andover (Massachusetts) | 351 | 5544 | Essex | US-MA | |
| Gloucester (Massachusetts) | 351 | 1931 | Essex | US-MA | |
| Groton (Massachusetts) | 351 | 1470 | Middlesex | US-MA | |
| Groton (Massachusetts) | 351 | 1471 | Middlesex | US-MA | |
| North Reading (Massachusetts) | 351 | 1889 | Middlesex | US-MA | |
| Peabody (Massachusetts) | 351 | 1961 | Essex | US-MA | |
| Prides Crossing (Massachusetts) | 351 | 1965 | Essex | US-MA | |
| Salem (Massachusetts) | 351 | 1971 | Essex | US-MA | |
| South Barre (Massachusetts) | 351 | 1074 | Worcester | US-MA | |
| Westminster (Massachusetts) | 351 | 1441 | Worcester | US-MA | |
| Winchendon Springs (Massachusetts) | 351 | 1477 | Worcester | US-MA |