All assignees
800 prefixes in 347 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 347-200 | NWYRCYZN06 | 6622 | — | — |
| 347-201 | NWYRCYZN14 | 997E | 2011-08-04 | Yes |
| 347-202 | NWYRCYZN05 | 4006 | 2005-09-15 | Yes |
| 347-203 | NWYRCYZN07 | 6622 | — | Yes |
| 347-204 | NWYRCYZN06 | 6622 | 2001-01-03 | — |
| 347-205 | NWYRCYZN05 | 4036 | — | Yes |
| 347-206 | NWYRCYZN07 | 6622 | 2006-10-30 | Yes |
| 347-207 | NWYRCYZN05 | 6622 | 2006-11-03 | Yes |
| 347-208 | NWYRCYZN04 | 6622 | 2006-10-30 | Yes |
| 347-209 | NWYRCYZN03 | 6622 | — | Yes |
| 347-210 | NWYRCYZN07 | 6622 | — | — |
| 347-211 | XXXXXXXXXX | MULT | — | — |
| 347-212 | NWYRCYZN14 | 997E | 2022-10-03 | Yes |
| 347-213 | NWYRCYZN03 | 6959 | — | Yes |
| 347-214 | NWYRCYZN06 | 829J | — | — |
| 347-215 | NWYRCYZN15 | 6959 | 2007-01-16 | Yes |
| 347-216 | NWYRCYZN14 | 6959 | 2006-11-18 | Yes |
| 347-217 | NWYRCYZN07 | 6622 | 2001-01-08 | Yes |
| 347-218 | NWYRCYZN07 | 4036 | 2005-04-13 | Yes |
| 347-219 | NWYRCYZN07 | 5562 | 2001-02-14 | Yes |
| 347-220 | NWYRCYZN04 | 8473 | 2001-02-06 | Yes |
| 347-221 | NWYRCYZN06 | 6622 | 2006-11-30 | Yes |
| 347-222 | NWYRCYZN06 | 4006 | — | Yes |
| 347-223 | NWYRCYZN06 | 6622 | 2004-02-04 | Yes |
| 347-224 | NWYRCYZN05 | 4036 | 2002-03-13 | Yes |
| 347-225 | NWYRCYZN06 | 829J | 2004-06-02 | Yes |
| 347-226 | NWYRCYZN03 | 829J | — | Yes |
| 347-227 | NWYRCYZN06 | 793K | — | Yes |
| 347-228 | NWYRCYZN06 | 6622 | — | Yes |
| 347-229 | NWYRCYZN12 | 6959 | — | Yes |
| 347-230 | NWYRCYZN13 | 8526 | 2001-02-07 | Yes |
| 347-231 | NWYRCYZN08 | 6622 | 2001-03-12 | Yes |
| 347-232 | NWYRCYZN06 | 5562 | 2002-01-18 | Yes |
| 347-233 | NWYRCYZN10 | 6959 | 2006-12-19 | Yes |
| 347-234 | NWYRCYZN13 | 6622 | 2002-01-18 | Yes |
| 347-235 | NWYRCYZN11 | 7353 | — | Yes |
| 347-236 | NWYRCYZN07 | 5562 | 2001-05-01 | Yes |
| 347-237 | NWYRCYZN04 | 4036 | 2007-01-15 | Yes |
| 347-238 | NWYRCYZN10 | 6622 | 2006-12-22 | Yes |
| 347-239 | NWYRCYZN08 | 5562 | 2002-08-15 | Yes |
| 347-240 | NWYRCYZN06 | 612K | 2014-06-18 | Yes |
| 347-241 | NWYRCYZN06 | 6622 | 2006-12-29 | Yes |
| 347-242 | NWYRCYZN08 | 6622 | 2002-02-26 | Yes |
| 347-243 | NWYRCYZN06 | 5562 | 2007-01-16 | Yes |
| 347-244 | NWYRCYZN06 | 4036 | 2002-10-28 | Yes |
| 347-245 | NWYRCYZN09 | 6622 | 2001-03-12 | Yes |
| 347-246 | NWYRCYZN13 | 7353 | — | Yes |
| 347-247 | NWYRCYZN06 | 6622 | 2001-09-05 | — |
| 347-248 | NWYRCYZN06 | 6622 | 2001-09-05 | — |
| 347-249 | NWYRCYZN06 | 6622 | 2001-09-05 | — |
| 347-250 | NWYRCYZN06 | 9104 | 2007-01-24 | Yes |
| 347-251 | NWYRCYZN10 | 6622 | 2001-03-26 | Yes |
| 347-252 | NWYRCYZN15 | 7133 | — | Yes |
| 347-253 | NWYRCYZN10 | 9104 | 2007-01-24 | Yes |
| 347-254 | NWYRCYZN07 | 4036 | 2002-05-20 | Yes |
| 347-255 | NWYRCYZN10 | 4036 | 2002-05-20 | Yes |
| 347-256 | NWYRCYZN09 | 5562 | 2001-10-26 | Yes |
| 347-257 | NWYRCYZN10 | 6622 | 2006-12-29 | Yes |
| 347-258 | NWYRCYZN15 | 6622 | — | Yes |
| 347-259 | NWYRCYZN03 | 6622 | — | Yes |
| 347-260 | NWYRCYZN07 | 6622 | 2007-02-13 | Yes |
| 347-261 | NWYRCYZN04 | 6622 | 2007-02-13 | Yes |
| 347-262 | NWYRCYZN06 | 5562 | — | Yes |
| 347-263 | NWYRCYZN07 | 6622 | 2007-02-21 | Yes |
| 347-264 | NWYRCYZN10 | 6622 | 2006-12-29 | Yes |
| 347-265 | NWYRCYZN14 | 6622 | 2007-02-21 | Yes |
| 347-266 | NWYRCYZN04 | 6959 | 2007-02-21 | Yes |
| 347-267 | NWYRCYZN06 | 4036 | 2001-08-14 | — |
| 347-268 | NWYRCYZN06 | 4036 | 2001-07-18 | — |
| 347-269 | NWYRCYZN03 | 6622 | — | Yes |
| 347-270 | NWYRCYZN03 | 612K | — | Yes |
| 347-271 | NWYRCYZN03 | 6959 | — | Yes |
| 347-272 | NWYRCYZN06 | 6622 | 2006-12-29 | Yes |
| 347-273 | NWYRCYZN15 | 4006 | — | Yes |
| 347-274 | NWYRCYZN07 | 829J | — | Yes |
| 347-275 | NWYRCYZN05 | 612K | 2004-05-13 | Yes |
| 347-276 | NWYRCYZN06 | 4036 | 2001-09-15 | — |
| 347-277 | NWYRCYZN06 | 4036 | 2001-09-15 | — |
| 347-278 | NWYRCYZN06 | 6622 | 2004-07-08 | Yes |
| 347-279 | NWYRCYZN10 | 6622 | 2007-03-21 | Yes |
| 347-280 | NWYRCYZN04 | 6622 | 2005-03-18 | Yes |
| 347-281 | NWYRCYZN04 | 4036 | 2007-06-13 | Yes |
| 347-282 | NWYRCYZN04 | 4006 | — | Yes |
| 347-283 | NWYRCYZN14 | 6622 | 2007-05-11 | Yes |
| 347-284 | NWYRCYZN03 | 6622 | — | Yes |
| 347-285 | NWYRCYZN10 | 6622 | 2006-12-29 | Yes |
| 347-286 | NWYRCYZN14 | 6622 | 2008-04-29 | Yes |
| 347-287 | NWYRCYZN11 | 829J | — | Yes |
| 347-288 | NWYRCYZN08 | 5562 | 2007-07-11 | Yes |
| 347-289 | NWYRCYZN07 | 4006 | 2005-03-14 | Yes |
| 347-290 | NWYRCYZN03 | 5562 | 2010-03-10 | Yes |
| 347-291 | NWYRCYZN03 | 8526 | — | Yes |
| 347-292 | NWYRCYZN13 | 829J | 2009-04-28 | Yes |
| 347-293 | NWYRCYZN04 | 7133 | — | Yes |
| 347-294 | NWYRCYZN06 | 6622 | 2008-04-30 | Yes |
| 347-295 | NWYRCYZN06 | 6622 | 2008-03-26 | Yes |
| 347-296 | NWYRCYZN06 | 829J | — | Yes |
| 347-297 | NWYRCYZN03 | 4830 | — | Yes |
| 347-298 | NWYRCYZN14 | 282E | 2008-06-12 | Yes |
| 347-299 | NWYRCYZN10 | 5562 | 2008-10-06 | 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.