| General Information about Area Code 781 | |
|---|---|
| Country | United States |
| State / Province / Territory | Massachusetts |
| Major City | Lynn |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 781-243 | Hanover | Plymouth | Wireless |
| 781-382 | Lexington | Middlesex | Landline |
| 781-844 | Arlington | Middlesex | Wireless |
| 781-417 | Cambridge | Middlesex | Landline |
| 781-966 | Waltham | Middlesex | Landline |
| 781-615 | Boston | Suffolk | Landline |
| 781-349 | Boston | Suffolk | Landline |
| 781-215 | Boston | Suffolk | Landline |
| 781-316 | Arlington | Middlesex | Landline |
| 781-528 | Boston | Suffolk | Landline |
| 781-453 | Needham Heights | Norfolk | Landline |
| 781-989 | Boston | Suffolk | Landline |
| 781-668 | Waltham | Middlesex | Wireless |
| 781-535 | Braintree | Norfolk | Landline |
| 781-439 | Reading | Middlesex | Landline |
| 781-866 | Medford | Middlesex | Wireless |
| 781-810 | Waltham | Middlesex | Landline |
| 781-896 | Burlington | Middlesex | Wireless |
| 781-225 | Cambridge | Middlesex | Landline |
| 781-776 | Lynnfield | Essex | Landline |