Cities in area code 351
Which places use area code 351? 42 rate centers in Massachusetts, the biggest being Acton, Lowell, Danvers. Data below is NANPA's official prefix-to-rate-center mapping.
Ranked by active prefixes, the code's territory runs through Acton, Lowell, Danvers, Lawrence, Georgetown, Haverhill, Ashby and Gloucester, and 33 smaller communities down to single-prefix localities.
42 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.
42 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.
All of the code's territory keeps Eastern time.
Remember that people keep numbers when they relocate, so a 351 number is a where-it-was-issued fact, not a where-they-are fact.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Acton | 6 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Lowell | 5 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Danvers | 4 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Lawrence | 4 | Boston-Cambridge-Newton, MA-NH | 351, 508, 978 |
| Georgetown | 4 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Haverhill | 4 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Ashby | 3 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Gloucester | 3 | Boston-Cambridge-Newton, MA-NH | 351, 508, 978 |
| Merrimac | 3 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Harvard | 3 | Worcester, MA | 351, 978 |
| Ipswich | 3 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Peabody | 3 | Boston-Cambridge-Newton, MA-NH | 351, 508, 978 |
| Pepperell | 2 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Tyngsboro | 2 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Rockport | 2 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Hudson | 2 | Worcester, MA | 351, 978 |
| Templeton | 2 | Worcester, MA | 351, 978 |
| Hamilton | 2 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Westford | 2 | Boston-Cambridge-Newton, MA-NH | 351, 508, 978 |
| Amesbury | 2 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Leominster | 2 | Worcester, MA | 351, 978 |
| Orange | 2 | (Springfield, MA Metropolitan Statistical Area) | 351, 978 |
| Lunenburg | 2 | Worcester, MA | 351, 978 |
| Manchester | 2 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Hubbardston | 2 | Worcester, MA | 351, 978 |
| Winchendon | 2 | Worcester, MA | 351, 978 |
| Beverly | 1 | Boston-Cambridge-Newton, MA-NH | 351, 508, 978 |
| Barre | 1 | Worcester, MA | 351, 978 |
| Berlin | 1 | Worcester, MA | 351, 978 |
| Bolton | 1 | Worcester, MA | 351, 978 |
| Andover | 1 | Boston-Cambridge-Newton, MA-NH | 351, 508, 978 |
| Ashburnham | 1 | Worcester, MA | 351, 978 |
| Newburyport | 1 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Fitchburg | 1 | Worcester, MA | 351, 508, 978 |
| Groton | 1 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Rowley | 1 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Athol Franklin County | 1 | Worcester, MA | 351, 978 |
| Princeton | 1 | Worcester, MA | 351, 978 |
| Shirley | 1 | Worcester, MA | 351, 978 |
| Westminster | 1 | Worcester, MA | 351, 978 |
| Essex | 1 | Boston-Cambridge-Newton, MA-NH | 351, 978 |
| Clinton | 1 | Worcester, MA | 351, 978 |
FAQ
What is the biggest city in area code 351?
Acton holds the most active prefixes (6), making it the code's largest numbering locality.
How many places does 351 cover?
42 rate centers in Massachusetts hold active 351 prefixes, from Acton down to communities with a single prefix.
Does a 351 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.