All assignees
800 prefixes in 610 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 610-200 | PHPHSBZN14 | 3806 | 2001-03-21 | Yes |
| 610-201 | XXXXXXXXXX | — | — | |
| 610-202 | PHPHSBZN28 | 6626 | — | — |
| 610-203 | PHPHSBZN26 | 6626 | — | — |
| 610-204 | ALLENTOWN | 6739 | — | — |
| 610-205 | PHPHSBZN30 | 9208 | — | Yes |
| 610-206 | PHPHSBZN23 | 9208 | — | Yes |
| 610-207 | READING | 6392 | — | — |
| 610-208 | READING | 9208 | — | — |
| 610-209 | PHPHSBZN30 | 4036 | — | — |
| 610-210 | XXXXXXXXXX | 9208 | — | — |
| 610-211 | XXXXXXXXXX | MULT | — | — |
| 610-212 | PHPHSBZN30 | 6392 | — | — |
| 610-213 | PHPHSBZN30 | 6392 | — | — |
| 610-214 | COOPERSBG | 3806 | 2009-03-12 | Yes |
| 610-215 | PHPHSBZN30 | 3806 | 2018-06-06 | Yes |
| 610-216 | BETHLEHEM | 6392 | — | — |
| 610-217 | BETHLEHEM | 6392 | — | — |
| 610-218 | ALLENTOWN | 6630 | — | — |
| 610-219 | PHPHSBZN28 | 9208 | — | — |
| 610-220 | PHPHSBZN30 | 6392 | — | — |
| 610-221 | PHPHSBZN25 | 6630 | — | — |
| 610-222 | CENTER PT | 9208 | — | Yes |
| 610-223 | READING | 6392 | — | — |
| 610-224 | SLATINGTON | 8320 | 2001-03-19 | Yes |
| 610-225 | PHPHSBZN26 | 9208 | — | Yes |
| 610-226 | COLLEGEVL | 7434 | — | Yes |
| 610-227 | PHPHSBZN23 | 7434 | — | Yes |
| 610-228 | PHPHSBZN24 | 7434 | — | Yes |
| 610-229 | PHPHSBZN25 | 7434 | — | Yes |
| 610-230 | PHPHSBZN26 | 7434 | — | Yes |
| 610-231 | CATASAUQUA | 9208 | — | — |
| 610-232 | PHPHSBZN28 | 7434 | — | Yes |
| 610-233 | PHPHSBZN30 | 7434 | — | Yes |
| 610-234 | PHPHSBZN31 | 7434 | — | Yes |
| 610-235 | W CHESTER | 7434 | — | Yes |
| 610-236 | READING | 9208 | — | Yes |
| 610-237 | PHPHSBZN14 | 9208 | — | — |
| 610-238 | PHPHSBZN31 | 9208 | — | Yes |
| 610-239 | PHPHSBZN30 | 9208 | — | — |
| 610-240 | PHPHSBZN28 | 9208 | — | — |
| 610-241 | W CHESTER | 7434 | — | Yes |
| 610-242 | WESTTOWN | 7434 | — | Yes |
| 610-243 | LENAPE | 7434 | — | Yes |
| 610-244 | COLLEGEVL | 9208 | — | Yes |
| 610-245 | PHPHSBZN11 | 7434 | — | Yes |
| 610-246 | PHPHSBZN30 | 6392 | — | — |
| 610-247 | PHPHSBZN30 | 6392 | — | — |
| 610-248 | BETHLEHEM | 6392 | — | — |
| 610-249 | PHPHSBZN28 | 7434 | — | Yes |
| 610-250 | EASTON | 9208 | — | — |
| 610-251 | PHPHSBZN28 | 9208 | — | Yes |
| 610-252 | EASTON | 9208 | — | — |
| 610-253 | EASTON | 9208 | — | — |
| 610-254 | PHPHSBZN26 | 9208 | — | — |
| 610-255 | KEMBLESVL | 9208 | — | Yes |
| 610-256 | PHPHSBZN30 | 6392 | — | — |
| 610-257 | PHPHSBZN23 | 7434 | — | Yes |
| 610-258 | EASTON | 9208 | — | — |
| 610-259 | PHPHSBZN17 | 9208 | — | — |
| 610-260 | PHPHSBZN31 | 9208 | — | Yes |
| 610-261 | NORTHAMPTN | 9208 | — | Yes |
| 610-262 | NORTHAMPTN | 9208 | — | — |
| 610-263 | PHPHSBZN26 | 7434 | — | Yes |
| 610-264 | CATASAUQUA | 9208 | — | — |
| 610-265 | PHPHSBZN30 | 9208 | — | — |
| 610-266 | CATASAUQUA | 9208 | — | — |
| 610-267 | PHPHSBZN30 | 6392 | 2022-04-08 | Yes |
| 610-268 | AVONDALE | 9208 | — | Yes |
| 610-269 | DOWNINGTN | 9208 | — | — |
| 610-270 | PHPHSBZN30 | 9208 | — | — |
| 610-271 | PHPHSBZN29 | 7434 | — | Yes |
| 610-272 | PHPHSBZN30 | 9208 | — | — |
| 610-273 | HONEYBROOK | 9208 | — | Yes |
| 610-274 | LANDENBERG | 9208 | — | Yes |
| 610-275 | PHPHSBZN30 | 9208 | — | — |
| 610-276 | PHPHSBZN31 | 7434 | — | Yes |
| 610-277 | PHPHSBZN30 | 9208 | — | — |
| 610-278 | PHPHSBZN30 | 9208 | — | — |
| 610-279 | PHPHSBZN30 | 9208 | — | — |
| 610-280 | EXTON | 9208 | — | — |
| 610-281 | KUTZTOWN | 6739 | — | Yes |
| 610-282 | COOPERSBG | 0161 | — | — |
| 610-283 | PHPHSBZN30 | 6392 | — | — |
| 610-284 | PHPHSBZN17 | 9208 | — | — |
| 610-285 | NEWSMITHVL | 0201 | — | Yes |
| 610-286 | MORGANTOWN | 0162 | — | — |
| 610-287 | SCHWENKSVL | 9208 | — | — |
| 610-288 | READING | 7229 | — | — |
| 610-289 | ALLENTOWN | 7229 | — | — |
| 610-290 | PHPHSBZN30 | 7434 | — | Yes |
| 610-291 | PHPHSBZN30 | 6392 | — | — |
| 610-292 | PHPHSBZN30 | 9208 | — | — |
| 610-293 | PHPHSBZN26 | 9208 | — | — |
| 610-294 | UHLERSTOWN | 0161 | — | Yes |
| 610-295 | ALLENTOWN | 7309 | — | Yes |
| 610-296 | PHPHSBZN28 | 9208 | — | — |
| 610-297 | BETHLEHEM | 7309 | — | Yes |
| 610-298 | NEWTRIPOLI | 0201 | — | Yes |
| 610-299 | PHPHSBZN10 | 6392 | — | — |
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.