All assignees
122 prefixes in 339 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 339-200 | HINGHAM | 829J | 2001-03-20 | Yes |
| 339-201 | WEYMOUTH | 4018 | 2012-02-17 | Yes |
| 339-202 | LEXINGTON | 7229 | 2011-11-01 | Yes |
| 339-203 | WAKEFIELD | 6387 | 2002-09-18 | Yes |
| 339-204 | DEDHAM | 4018 | 2001-03-20 | Yes |
| 339-205 | WEYMOUTH | 6387 | — | Yes |
| 339-206 | NORWOOD | 4036 | 2001-03-20 | Yes |
| 339-207 | LYNN | 892D | 2015-12-17 | Yes |
| 339-208 | RANDOLPH | 6889 | 2013-11-14 | Yes |
| 339-209 | WEYMOUTH | 892D | 2015-12-28 | Yes |
| 339-210 | SAUGUS | 892D | 2016-03-03 | Yes |
| 339-211 | XXXXXXXXXX | MULT | — | — |
| 339-212 | MARBLEHEAD | 5562 | 2017-05-04 | Yes |
| 339-213 | DEDHAM | 6889 | 2018-09-11 | Yes |
| 339-214 | NORWELL | 508J | 2001-09-11 | Yes |
| 339-215 | LEXINGTON | 892D | 2016-03-03 | Yes |
| 339-216 | RANDOLPH | 6387 | 2016-01-11 | Yes |
| 339-217 | DUXBURY | 318J | 2017-10-12 | Yes |
| 339-218 | HANOVER | 5562 | 2017-11-20 | Yes |
| 339-219 | WAKEFIELD | 4018 | 2001-04-19 | Yes |
| 339-220 | BRYANTVL | 268F | 2018-09-24 | Yes |
| 339-221 | MEDFORD | 6387 | 2002-07-09 | Yes |
| 339-222 | WALTHAM | 6387 | 2001-05-10 | Yes |
| 339-223 | LEXINGTON | 6387 | 2001-07-06 | Yes |
| 339-224 | MALDEN | 6387 | 2002-04-09 | Yes |
| 339-225 | NEEDHAM | 6387 | 2001-04-24 | Yes |
| 339-226 | REVERE | 6387 | 2002-03-08 | Yes |
| 339-227 | WOBURN | 6387 | 2001-06-15 | Yes |
| 339-228 | LYNN | 6889 | 2021-08-11 | Yes |
| 339-229 | WEYMOUTH | 268F | 2019-02-21 | Yes |
| 339-230 | SHARON | 7229 | 2001-11-09 | Yes |
| 339-231 | SAUGUS | 318J | 2021-08-18 | Yes |
| 339-232 | DUXBURY | 892D | 2021-06-11 | Yes |
| 339-233 | BRYANTVL | 732J | — | Yes |
| 339-234 | BURLINGTON | 6387 | 2002-04-09 | Yes |
| 339-235 | BRAINTREE | 6387 | 2002-09-27 | Yes |
| 339-236 | HINGHAM | 6387 | 2002-09-27 | Yes |
| 339-237 | CANTON | 6387 | 2002-09-27 | Yes |
| 339-238 | NEEDHAM | 490J | 2023-05-22 | Yes |
| 339-239 | BRYANTVL | 892D | 2023-07-18 | Yes |
| 339-240 | BURLINGTON | 073H | 2016-12-02 | Yes |
| 339-241 | MEDFORD | 4036 | 2023-08-10 | Yes |
| 339-242 | MEDFORD | 6889 | 2023-08-24 | Yes |
| 339-243 | SAUGUS | 6889 | 2023-08-24 | Yes |
| 339-244 | BRYANTVL | 4018 | 2005-12-22 | Yes |
| 339-245 | LYNN | 6889 | 2023-08-24 | Yes |
| 339-246 | HANOVER | 0051 | 2026-04-28 | — |
| 339-255 | WEYMOUTH | 892D | 2020-12-07 | Yes |
| 339-265 | LEXINGTON | 7135 | 2025-07-01 | Yes |
| 339-273 | MARSHFIELD | 516J | 2022-01-31 | Yes |
| 339-293 | MELROSE | 829J | 2001-03-19 | Yes |
| 339-298 | WOBURN | 5562 | 2001-11-13 | Yes |
| 339-300 | COHASSET | 965H | 2020-05-08 | Yes |
| 339-309 | KINGSTON | 4018 | 2001-12-13 | Yes |
| 339-311 | XXXXXXXXXX | MULT | — | — |
| 339-329 | MARBLEHEAD | 892D | 2021-03-30 | Yes |
| 339-330 | BRYANTVL | 892D | 2021-03-30 | Yes |
| 339-331 | DUXBURY | 892D | 2020-06-16 | Yes |
| 339-333 | LINCOLN | 892D | — | Yes |
| 339-337 | COHASSET | 4018 | 2001-05-01 | Yes |
| 339-338 | LYNN | 5562 | 2019-05-28 | Yes |
| 339-339 | WALTHAM | 125L | 2025-03-04 | Yes |
| 339-345 | MARBLEHEAD | 965H | 2021-08-10 | Yes |
| 339-356 | HULL | 965H | 2020-05-08 | Yes |
| 339-364 | SHARON | 6387 | 2001-05-10 | Yes |
| 339-365 | BRYANTVL | 965H | 2021-04-26 | Yes |
| 339-368 | ARLINGTON | 6387 | 2002-05-08 | Yes |
| 339-399 | SHARON | 965H | 2021-04-12 | Yes |
| 339-400 | SAUGUS | 965H | 2020-05-08 | Yes |
| 339-411 | XXXXXXXXXX | MULT | — | — |
| 339-440 | LYNN | 6387 | 2002-08-28 | Yes |
| 339-444 | SAUGUS | 892D | 2015-03-25 | Yes |
| 339-463 | BRAINTREE | 516J | 2022-02-09 | Yes |
| 339-466 | NORWELL | 516J | 2022-01-13 | Yes |
| 339-469 | ROCKLAND | 318J | 2001-05-01 | Yes |
| 339-499 | WEYMOUTH | 829J | 2001-03-19 | Yes |
| 339-500 | LYNN | 892D | 2021-01-25 | Yes |
| 339-502 | CANTON | 829J | 2001-03-20 | Yes |
| 339-511 | XXXXXXXXXX | MULT | — | — |
| 339-526 | SCITUATE | 4018 | 2001-04-25 | Yes |
| 339-529 | WHITMAN | 965H | 2020-05-08 | Yes |
| 339-532 | REVERE | 829J | 2001-03-20 | Yes |
| 339-545 | MEDFORD | 990E | 2001-05-29 | Yes |
| 339-554 | XXXXXXXXXX | 9102 | — | — |
| 339-555 | DIR ASST | MULT | — | — |
| 339-565 | LINCOLN | 624H | 2021-03-17 | Yes |
| 339-600 | SAUGUS | 829J | 2001-03-20 | Yes |
| 339-611 | XXXXXXXXXX | MULT | — | — |
| 339-613 | NORWELL | 829J | 2001-03-20 | Yes |
| 339-645 | WOBURN | 9102 | 2001-03-19 | Yes |
| 339-666 | LYNN | 892D | 2017-08-31 | Yes |
| 339-674 | MEDFORD | 829J | 2001-03-20 | Yes |
| 339-675 | WHITMAN | 516J | 2022-01-13 | Yes |
| 339-686 | WELLESLEY | 829J | 2001-03-20 | Yes |
| 339-700 | — | — | ||
| 339-707 | ARLINGTON | 829J | 2001-03-20 | Yes |
| 339-711 | XXXXXXXXXX | MULT | — | — |
| 339-737 | HANOVER | 516J | 2022-01-31 | Yes |
| 339-746 | WEYMOUTH | 516J | 2022-02-09 | Yes |
| 339-777 | NEEDHAM | 892D | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.