All assignees
799 prefixes in 516 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 516-300 | NASSAUZN01 | 7126 | 2006-11-15 | Yes |
| 516-301 | NASSAUZN01 | 7421 | — | Yes |
| 516-302 | NASSAUZN02 | 7421 | — | Yes |
| 516-303 | NASSAUZN01 | 7133 | — | Yes |
| 516-304 | NASSAUZN01 | 6622 | 2006-11-21 | Yes |
| 516-305 | NASSAUZN02 | 4036 | 2006-11-27 | Yes |
| 516-306 | NASSAUZN05 | 6959 | 2006-11-21 | Yes |
| 516-307 | NASSAUZN05 | 612K | 2007-02-24 | Yes |
| 516-308 | NASSAUZN09 | 7133 | 2007-04-18 | Yes |
| 516-309 | NASSAUZN02 | 5562 | 2016-12-15 | Yes |
| 516-310 | NASSAUZN02 | 6959 | 2017-06-08 | Yes |
| 516-311 | XXXXXXXXXX | MULT | — | — |
| 516-312 | NASSAUZN05 | 6622 | — | — |
| 516-313 | NASSAUZN05 | 6959 | — | — |
| 516-314 | NASSAUZN05 | 6959 | — | — |
| 516-315 | NASSAUZN05 | 6622 | — | Yes |
| 516-316 | NASSAUZN05 | 6959 | — | — |
| 516-317 | NASSAUZN05 | 6959 | — | — |
| 516-318 | NASSAUZN05 | 6959 | — | — |
| 516-319 | NASSAUZN05 | 6959 | — | — |
| 516-320 | NASSAUZN05 | 7133 | — | Yes |
| 516-321 | NASSAUZN01 | 7126 | — | Yes |
| 516-322 | NASSAUZN05 | 6622 | 2001-06-04 | Yes |
| 516-323 | NASSAUZN06 | 997E | 2010-05-27 | Yes |
| 516-324 | NASSAUZN09 | 6622 | 2009-04-02 | Yes |
| 516-325 | NASSAUZN02 | 7126 | 2010-06-24 | Yes |
| 516-326 | NASSAUZN02 | 9104 | — | — |
| 516-327 | NASSAUZN02 | 9104 | — | — |
| 516-328 | NASSAUZN02 | 9104 | — | — |
| 516-329 | NASSAUZN05 | 6959 | 2016-07-12 | Yes |
| 516-330 | NASSAUZN05 | 6959 | — | — |
| 516-331 | NASSAUZN01 | 7126 | 2010-06-24 | Yes |
| 516-332 | NASSAUZN05 | 6630 | — | — |
| 516-333 | NASSAUZN05 | 9104 | — | — |
| 516-334 | NASSAUZN05 | 9104 | — | — |
| 516-335 | NASSAUZN05 | 6630 | 2001-05-09 | — |
| 516-336 | NASSAUZN08 | 9104 | — | Yes |
| 516-337 | NASSAUZN05 | 6919 | — | — |
| 516-338 | NASSAUZN05 | 9104 | — | — |
| 516-339 | BRENTWOOD | 6630 | — | — |
| 516-340 | COLDSPGHBR | 997E | 2010-09-17 | Yes |
| 516-341 | NASSAUZN03 | 5562 | 2010-09-21 | Yes |
| 516-342 | NASSAUZN08 | 7126 | 2004-06-29 | Yes |
| 516-343 | NASSAUZN05 | 6622 | — | — |
| 516-344 | NASSAUZN01 | 6622 | 2014-12-24 | Yes |
| 516-345 | NASSAUZN06 | 4006 | — | Yes |
| 516-346 | NASSAUZN08 | 9104 | — | Yes |
| 516-347 | NASSAUZN09 | 384C | 2023-08-01 | Yes |
| 516-348 | NASSAUZN08 | 829J | — | Yes |
| 516-349 | NASSAUZN08 | 9104 | — | — |
| 516-350 | NASSAUZN05 | 997E | 2010-09-28 | Yes |
| 516-351 | NASSAUZN05 | 6622 | 2002-01-18 | Yes |
| 516-352 | NASSAUZN02 | 9104 | — | — |
| 516-353 | NASSAUZN07 | 4036 | — | — |
| 516-354 | NASSAUZN02 | 9104 | — | — |
| 516-355 | NASSAUZN02 | 9104 | — | Yes |
| 516-356 | BRENTWOOD | 4036 | — | — |
| 516-357 | NASSAUZN05 | 9104 | — | Yes |
| 516-358 | NASSAUZN02 | 9104 | — | — |
| 516-359 | NASSAUZN05 | 4036 | — | — |
| 516-360 | NASSAUZN02 | 997E | 2010-02-10 | Yes |
| 516-361 | NASSAUZN05 | 6959 | — | — |
| 516-362 | NASSAUZN06 | 5562 | 2010-10-26 | Yes |
| 516-363 | NASSAUZN06 | 384C | 2023-07-14 | Yes |
| 516-364 | NASSAUZN07 | 9104 | — | — |
| 516-365 | NASSAUZN01 | 9104 | — | — |
| 516-366 | NASSAUZN09 | 997E | 2011-01-14 | Yes |
| 516-367 | COLDSPGHBR | 9104 | — | Yes |
| 516-368 | NASSAUZN05 | 4036 | 2006-05-17 | Yes |
| 516-369 | NASSAUZN05 | 6622 | — | Yes |
| 516-370 | FARMINGDL | 7140 | — | Yes |
| 516-371 | NASSAUZN03 | 9104 | — | — |
| 516-372 | NASSAUZN05 | 6630 | — | — |
| 516-373 | NASSAUZN01 | 6622 | 2016-09-23 | Yes |
| 516-374 | NASSAUZN03 | 9104 | — | — |
| 516-375 | NASSAUZN05 | 6959 | — | — |
| 516-376 | NASSAUZN05 | 4036 | 2001-12-19 | — |
| 516-377 | NASSAUZN06 | 9104 | — | — |
| 516-378 | NASSAUZN06 | 9104 | — | — |
| 516-379 | NASSAUZN06 | 9104 | — | — |
| 516-380 | SELDEN | 4036 | — | — |
| 516-381 | SELDEN | 4036 | — | — |
| 516-382 | NASSAUZN05 | 6959 | — | Yes |
| 516-383 | SELDEN | 4036 | — | — |
| 516-384 | NASSAUZN05 | 4036 | — | — |
| 516-385 | NASSAUZN05 | 4036 | 2002-10-25 | Yes |
| 516-386 | NASSAUZN09 | 534J | 2021-02-10 | Yes |
| 516-387 | NASSAUZN01 | 155E | 2013-03-08 | Yes |
| 516-388 | NASSAUZN02 | 4036 | 2017-06-12 | Yes |
| 516-389 | NASSAUZN05 | 6630 | — | — |
| 516-390 | NASSAUZN08 | 7126 | — | — |
| 516-391 | FARMINGDL | 9104 | — | — |
| 516-392 | NASSAUZN05 | 6630 | — | — |
| 516-393 | NASSAUZN05 | 7126 | — | — |
| 516-394 | NASSAUZN05 | 829J | — | Yes |
| 516-395 | NASSAUZN02 | 6622 | — | — |
| 516-396 | NASSAUZN08 | 7126 | — | — |
| 516-397 | NASSAUZN03 | 384C | 2025-12-18 | Yes |
| 516-398 | NASSAUZN05 | 6959 | — | — |
| 516-399 | NASSAUZN04 | 5562 | 2011-01-17 | 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.