| District of Massachusetts area codes: 339 | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Boston |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 339-686 | Norfolk | Wellesley, MA | Broadview Networks |
| 339-707 | Middlesex | Arlington, MA | Conversent Communications Of Massachusetts |
| 339-788 | Plymouth | Rockland, MA | Cellco Partnership DBA Verizon Wireless |
| 339-793 | Plymouth | Marshfield, MA | Cellco Partnership DBA Verizon Wireless |
| 339-832 | Plymouth | Kingston, MA | Cellco Partnership DBA Verizon Wireless |
| 339-883 | Essex | Lynn, MA | Broadview Networks |
| 339-927 | Middlesex | Woburn, MA | New Cingular Wireless PCS - DC |
| 339-933 | Plymouth | Hanson, MA | Cellco Partnership DBA Verizon Wireless |
| 339-970 | Middlesex | Cambridge, MA | Level 3 Communications |
| 339-987 | Norfolk | Randolph, MA | Cellco Partnership DBA Verizon Wireless |
| 339-555 | Used in movie | Hingham, MA | Used in movie |
There are 51 prefixes, In the code area, the major cities are Arlington, MA;Braintree, MA;Burlington, MA;Dedham,. The major city is Boston.