| General Information | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Lynn |
| Time Zone | Eastern (UTC-05:00) |
| Current Local Time | 03:01 |
| Prefix | County | Primary City |
|---|---|---|
| 781-201 | Norfolk | Sharon |
| 781-202 | Suffolk | Boston |
| 781-203 | Suffolk | Boston |
| 781-204 | Plymouth | Norwell |
| 781-205 | Middlesex | Cambridge |
| 781-206 | Plymouth | Norwell |
| 781-207 | Middlesex | Waltham |
| 781-208 | Middlesex | Waltham |
| 781-209 | Middlesex | Waltham |
| 781-210 | Norfolk | Cohasset |
| 781-212 | Middlesex | Waltham |
| 781-213 | Middlesex | Wakefield |
| 781-214 | Middlesex | Cambridge |
| 781-215 | Suffolk | Boston |
| 781-216 | Suffolk | Boston |
| 781-217 | Plymouth | Kingston |
| 781-218 | Suffolk | Dorchester |
| 781-219 | Suffolk | Boston |
| 781-221 | Middlesex | Burlington |
| 781-222 | Middlesex | Burlington |
| 781-223 | Middlesex | Cambridge |
| 781-224 | Middlesex | Wakefield |
| 781-225 | Middlesex | Cambridge |
| 781-226 | Middlesex | Lexington |
| 781-228 | Middlesex | Cambridge |
| 781-229 | Middlesex | Burlington |
| 781-230 | Middlesex | Lexington |
| 781-231 | Essex | Saugus |
| 781-232 | Middlesex | Cambridge |
| 781-233 | Essex | Saugus |
| 781-234 | Suffolk | Boston |
| 781-235 | Norfolk | Wellesley |
| 781-236 | Suffolk | Boston |
| 781-237 | Norfolk | Wellesley |
| 781-238 | Middlesex | Burlington |
| 781-239 | Norfolk | Wellesley |
| 781-240 | Middlesex | Lexington |
| 781-241 | Middlesex | Cambridge |
| 781-242 | Plymouth | Hull |
| 781-243 | Plymouth | Hanover |
| 781-244 | Essex | Lynn |
| 781-245 | Middlesex | Wakefield |
| 781-246 | Middlesex | Wakefield |
| 781-247 | Suffolk | Boston |
| 781-248 | Essex | Lynn |
| 781-249 | Middlesex | Waltham |
| 781-250 | Suffolk | Charlestown |
| 781-251 | Norfolk | Dedham |
| 781-252 | Plymouth | Whitman |
| 781-253 | Norfolk | Sharon |