NumberResearchRecent prefix assignments
366 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-01-18 | 520-247 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TUCSON | AZ |
| 2001-01-18 | 602-317 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PHOENIX | AZ |
| 2001-01-18 | 602-327 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PHOENIX | AZ |
| 2001-01-18 | 623-203 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PHOENIX | AZ |
| 2001-01-18 | 636-675 | T-MOBILE USA, INC. | 6529 | CHESTERFLD | MO |
| 2001-01-18 | 647-286 | Rogers Communications Canada Inc. (Wireless) | 8821 | Toronto | — |
| 2001-01-18 | 660-676 | UNITED STATES CELLULAR - MO | 6275 | MOBERLY | MO |
| 2001-01-18 | 712-500 | LONG LINES METRO, INC. - IA | 828B | LE MARS | IA |
| 2001-01-18 | 713-492 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HOUSTON | TX |
| 2001-01-18 | 720-272 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2001-01-18 | 720-273 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2001-01-18 | 732-693 | METROPCS, INC. | 5562 | EATONTOWN | NJ |
| 2001-01-18 | 732-707 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | SOUTHAMBOY | NJ |
| 2001-01-18 | 757-659 | COMCAST IP PHONE, LLC | 318J | NWPTNWSZN4 | VA |
| 2001-01-18 | 763-440 | LEVEL 3 TELECOM OF MINNESOTA, LLC - MN | 5312 | TWINCITIES | MN |
| 2001-01-18 | 785-362 | GIANT COMMUNICATIONS, INC. - KS | 5237 | HOLTON | KS |
| 2001-01-18 | 803-487 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ROCK HILL | SC |
| 2001-01-18 | 803-553 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | COLUMBIA | SC |
| 2001-01-18 | 817-681 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX |
| 2001-01-18 | 828-290 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | HENDERSNVL | NC |
| 2001-01-18 | 832-255 | ONVOY, LLC - TX | 903C | HOUSTON | TX |
| 2001-01-18 | 832-300 | ONVOY, LLC - TX | 903C | HSTNSUBURB | TX |
| 2001-01-18 | 832-320 | ONVOY, LLC - TX | 903C | HOUSTON | TX |
| 2001-01-18 | 832-333 | ONVOY, LLC - TX | 903C | HOUSTON | TX |
| 2001-01-18 | 832-399 | ONVOY, LLC - TX | 903C | HSTNSUBURB | TX |
| 2001-01-18 | 832-456 | ONVOY, LLC - TX | 903C | HSTNSUBURB | TX |
| 2001-01-18 | 832-752 | AERIAL COMMUNICATIONS, INC. | 6701 | HOUSTON | TX |
| 2001-01-18 | 843-822 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CHARLESTON | SC |
| 2001-01-18 | 845-313 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | MIDDLETOWN | NY |
| 2001-01-18 | 856-607 | ONVOY SPECTRUM, LLC | 624H | COLLINGSWD | NJ |
| 2001-01-18 | 864-906 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENVILLE | SC |
| 2001-01-18 | 903-517 | T-MOBILE USA, INC. | 6529 | PARIS | TX |
| 2001-01-18 | 908-591 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | CRANFORD | NJ |
| 2001-01-18 | 973-337 | AT&T - LOCAL | 7421 | BLOOMFIELD | NJ |
| 2001-01-18 | 973-795 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | WHIPPANY | NJ |
| 2001-01-18 | 973-996 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SO ORANGE | NJ |
| 2001-01-17 | 250-631 | TELUS | 8086 | Terrace | — |
| 2001-01-17 | 262-617 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MILWAUKZN2 | WI |
| 2001-01-17 | 267-496 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA |
| 2001-01-17 | 314-573 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO |
| 2001-01-17 | 321-578 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SANFORD | FL |
| 2001-01-17 | 336-671 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WINSTN SAL | NC |
| 2001-01-17 | 403-387 | TELUS | 8084 | Calgary | — |
| 2001-01-17 | 440-229 | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | HILLCREST | OH |
| 2001-01-17 | 570-764 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BLOOMSBURG | PA |
| 2001-01-17 | 571-232 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN08 | VA |
| 2001-01-17 | 608-921 | UNITED STATES CELLULAR - WI | 6274 | JANESVILLE | WI |
| 2001-01-17 | 614-432 | AERIAL COMMUNICATIONS, INC. | 6701 | COLUMBUS | OH |
| 2001-01-17 | 614-446 | AERIAL COMMUNICATIONS, INC. | 6701 | COLUMBUS | OH |
| 2001-01-17 | 732-256 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | FARMINGDL | NJ |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.