All assignees
177 prefixes in 959 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 959-200 | HARTFORD | 508J | 2014-09-18 | Yes |
| 959-201 | NEW LONDON | 7143 | 2018-05-31 | Yes |
| 959-202 | TORRINGTON | 5562 | 2017-07-21 | Yes |
| 959-203 | FARMINGTON | 639C | 2023-06-09 | Yes |
| 959-204 | HARTFORD | 6388 | 2018-07-06 | Yes |
| 959-205 | HARTFORD | 114J | 2019-09-09 | Yes |
| 959-206 | HARTFORD | 197D | 2018-12-06 | Yes |
| 959-207 | COLCHESTER | 199F | 2018-09-26 | Yes |
| 959-208 | NEWBRITAIN | 6624 | 2017-10-20 | Yes |
| 959-209 | WATERTOWN | 612K | 2016-06-29 | Yes |
| 959-210 | WILLIMNTIC | 539F | 2019-02-21 | Yes |
| 959-211 | XXXXXXXXXX | MULT | — | — |
| 959-212 | NEWBRITAIN | 6624 | 2019-09-12 | Yes |
| 959-213 | NEW LONDON | 318J | — | Yes |
| 959-214 | WASHINGTON | 4800 | 2020-04-20 | Yes |
| 959-215 | NEW LONDON | 6388 | 2020-04-07 | Yes |
| 959-216 | SOUTHINGTN | 199F | 2020-06-30 | Yes |
| 959-217 | DEEP RIVER | 6624 | 2020-12-07 | Yes |
| 959-218 | STORRS | 829J | 2021-04-01 | Yes |
| 959-219 | STORRS | 829J | 2021-04-01 | Yes |
| 959-220 | ESSEX | 639C | 2020-10-27 | Yes |
| 959-221 | HARTFORD | 515J | 2021-04-01 | Yes |
| 959-222 | NEWBRITAIN | 073H | 2017-02-28 | Yes |
| 959-223 | HARTFORD | 321J | 2021-04-06 | Yes |
| 959-224 | LITCHFIELD | 639C | 2020-05-28 | Yes |
| 959-225 | NEWBRITAIN | 639C | 2021-06-24 | Yes |
| 959-226 | NEWBRITAIN | 6624 | 2021-06-30 | Yes |
| 959-227 | CANAAN | 639C | 2021-07-02 | Yes |
| 959-228 | CORNWALL | 639C | 2021-10-05 | Yes |
| 959-229 | TORRINGTON | 6624 | 2021-10-05 | Yes |
| 959-230 | HARTFORD | 7143 | — | Yes |
| 959-231 | DEEP RIVER | 6624 | 2021-10-05 | Yes |
| 959-232 | WILLIMNTIC | 639C | 2021-06-24 | Yes |
| 959-233 | ESSEX | 639C | 2019-10-01 | Yes |
| 959-234 | NORWICH | 965H | 2020-07-21 | Yes |
| 959-235 | BRISTOL | 639C | 2021-07-13 | Yes |
| 959-236 | HARTFORD | 490J | 2021-12-09 | Yes |
| 959-237 | GLASTONBY | 6624 | 2021-12-03 | Yes |
| 959-238 | PUTNAM | 732J | 2022-09-15 | Yes |
| 959-239 | OLD SAYBRK | 6624 | 2021-04-18 | Yes |
| 959-240 | HARTFORD | 7143 | 2022-12-06 | Yes |
| 959-241 | ENFIELD | 6624 | 2022-01-14 | Yes |
| 959-242 | NORWICH | 7143 | 2016-08-09 | Yes |
| 959-243 | ROCKVILLE | 639C | 2021-07-13 | Yes |
| 959-244 | FARMINGTON | 639C | 2022-01-10 | Yes |
| 959-245 | NEWBRITAIN | 639C | 2019-02-12 | Yes |
| 959-246 | MIDDLETOWN | 6624 | 2023-01-06 | Yes |
| 959-247 | NORWICH | 6388 | 2023-01-25 | Yes |
| 959-248 | HARTFORD | 732J | 2023-03-10 | Yes |
| 959-249 | CANAAN | 199F | 2022-10-04 | Yes |
| 959-250 | MANCHESTER | 639C | 2023-07-05 | Yes |
| 959-251 | CANTON | 639C | 2020-06-12 | Yes |
| 959-252 | ROCKVILLE | 639C | 2023-07-07 | Yes |
| 959-253 | PLAINFIELD | 639C | 2023-07-26 | Yes |
| 959-254 | NORWICH | 639C | 2023-07-26 | Yes |
| 959-255 | HARTFORD | 6388 | — | Yes |
| 959-256 | HARTFORD | 639C | 2023-09-06 | Yes |
| 959-257 | HARTFORD | 6388 | 2023-09-21 | Yes |
| 959-258 | HARTFORD | 6624 | 2024-01-11 | Yes |
| 959-259 | HARTFORD | 639C | 2024-01-25 | Yes |
| 959-260 | WILLIMNTIC | 4036 | 2024-03-01 | Yes |
| 959-261 | SOUTHINGTN | 6388 | 2021-09-27 | Yes |
| 959-262 | HARTFORD | 6388 | 2024-03-14 | Yes |
| 959-263 | DEEP RIVER | 6624 | 2024-03-27 | Yes |
| 959-264 | NEW LONDON | 639C | 2024-03-28 | Yes |
| 959-265 | ESSEX | 639C | 2017-05-10 | Yes |
| 959-266 | PAWCATUCK | 516J | 2022-01-25 | Yes |
| 959-267 | BRISTOL | 639C | 2024-05-01 | Yes |
| 959-268 | GLASTONBY | 515J | 2024-06-12 | Yes |
| 959-269 | NOTHOMPSON | 199F | 2022-01-14 | Yes |
| 959-270 | BRISTOL | 839J | 2024-10-07 | Yes |
| 959-271 | PAWCATUCK | 639C | 2020-06-12 | Yes |
| 959-272 | CLINTON | 839J | 2024-10-07 | Yes |
| 959-273 | HARTFORD | 6388 | 2025-01-30 | Yes |
| 959-274 | HARTFORD | 4036 | 2025-02-26 | Yes |
| 959-275 | FARMINGTON | 639C | 2025-03-13 | Yes |
| 959-276 | HARTFORD | 6388 | 2025-06-05 | Yes |
| 959-277 | NORWICH | 6388 | 2025-06-09 | Yes |
| 959-278 | HARTFORD | 490J | 2025-08-06 | Yes |
| 959-279 | HARTFORD | 700J | 2026-01-29 | Yes |
| 959-280 | HARTFORD | 671J | 2026-01-23 | Yes |
| 959-281 | NEW LONDON | 639C | 2026-02-04 | Yes |
| 959-282 | HARTFORD | 4036 | 2016-11-16 | Yes |
| 959-283 | GLASTONBY | 516J | 2022-02-04 | Yes |
| 959-284 | MYSTIC | 639C | 2026-03-12 | Yes |
| 959-285 | SOUTHINGTN | 6388 | 2026-05-18 | Yes |
| 959-286 | TORRINGTON | 6388 | 2026-07-31 | Yes |
| 959-288 | ENFIELD | 516J | 2022-02-28 | Yes |
| 959-299 | HARTFORD | 7143 | 2015-03-27 | Yes |
| 959-300 | KENT | 639C | 2019-07-15 | Yes |
| 959-301 | COVENTRY | 639C | 2020-05-28 | Yes |
| 959-310 | BRISTOL | 624H | 2021-02-16 | Yes |
| 959-311 | XXXXXXXXXX | MULT | — | — |
| 959-333 | HARTFORD | 073H | 2017-02-24 | Yes |
| 959-335 | NORFOLK | 639C | 2017-05-10 | Yes |
| 959-345 | DANIELSON | 965H | 2020-07-21 | Yes |
| 959-356 | HADDAM | 965H | 2020-07-21 | Yes |
| 959-400 | LAKEVILLE | 639C | 2019-07-15 | Yes |
| 959-410 | COLCHESTER | 624H | 2021-02-16 | Yes |
| 959-411 | XXXXXXXXXX | MULT | — | — |
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.