Recent prefix assignments
357 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/17/2026
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.
Most active assignees, last 30 days
8X8, INC.
37
ONVOY, LLC - CA
35
NEW CINGULAR WIRELESS PCS, LLC - IL
33
NEW CINGULAR WIRELESS PCS, LLC - DC
27
ONVOY, LLC - TX
18
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-01-26 | 954-919 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | HOLLYWOOD | FL |
| 2001-01-25 | 248-444 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | NORTHVILLE | MI |
| 2001-01-25 | 248-752 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | SOUTHFIELD | MI |
| 2001-01-25 | 248-840 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | TROY | MI |
| 2001-01-25 | 251-716 | METROPCS, INC. | 5562 | FAIRHOPE | AL |
| 2001-01-25 | 334-715 | METROPCS, INC. | 5562 | MARION | AL |
| 2001-01-25 | 334-717 | METROPCS, INC. | 5562 | PRATTVILLE | AL |
| 2001-01-25 | 360-243 | LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | SNOHOMISH | WA |
| 2001-01-25 | 360-286 | T-MOBILE USA, INC. | 6529 | SILVERDALE | WA |
| 2001-01-25 | 360-390 | LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | PTTOWNSEND | WA |
| 2001-01-25 | 360-450 | LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | VANCOUVER | WA |
| 2001-01-25 | 408-771 | METROPCS, INC. | 5562 | SNJS WEST | CA |
| 2001-01-25 | 415-847 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SAN RAFAEL | CA |
| 2001-01-25 | 469-450 | T-MOBILE USA, INC. | 6529 | MCKINNEY | TX |
| 2001-01-25 | 504-717 | LEVEL 3 COMMUNICATIONS, LLC - LA | 3232 | NEWORLEANS | LA |
| 2001-01-25 | 510-866 | METROPCS, INC. | 5562 | OKLD FRTVL | CA |
| 2001-01-25 | 512-565 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2001-01-25 | 512-887 | T-MOBILE USA, INC. | 6529 | GEORGETOWN | TX |
| 2001-01-25 | 517-960 | MICHIGAN BELL TEL CO | 9323 | JACKSON | MI |
| 2001-01-25 | 530-355 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | REDDING | CA |
| 2001-01-25 | 530-415 | T-MOBILE USA, INC. | 6529 | MARYSVILLE | CA |
| 2001-01-25 | 530-723 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WOODLAND | CA |
| 2001-01-25 | 619-345 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | DULZURA | CA |
| 2001-01-25 | 619-649 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | NATIONALCY | CA |
| 2001-01-25 | 630-400 | T-MOBILE USA, INC. | 6529 | ELGIN | IL |
| 2001-01-25 | 630-854 | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2001-01-25 | 650-830 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | SNCRL-BLMT | CA |
| 2001-01-25 | 650-995 | PACIFIC BELL | 9740 | REDWOOD CY | CA |
| 2001-01-25 | 651-442 | AERIAL COMMUNICATIONS, INC. | 6701 | TWINCITIES | MN |
| 2001-01-25 | 707-815 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | NAPA | CA |
| 2001-01-25 | 720-278 | LEVEL 3 TELECOM OF COLORADO, LLC - CO | 4574 | DENVER | CO |
| 2001-01-25 | 720-279 | LEVEL 3 TELECOM OF COLORADO, LLC - CO | 4574 | DENVER | CO |
| 2001-01-25 | 720-282 | LEVEL 3 TELECOM OF COLORADO, LLC - CO | 4574 | DENVER | CO |
| 2001-01-25 | 757-200 | PAETEC ITEL, LLC | 829J | NRFOLKZON2 | VA |
| 2001-01-25 | 760-222 | AT&T - LOCAL | 7421 | EL CENTRO | CA |
| 2001-01-25 | 760-784 | T-MOBILE USA, INC. | 6529 | BISHOP | CA |
| 2001-01-25 | 818-279 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LACRSCENTA | CA |
| 2001-01-25 | 818-583 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7139 | PSDN LACN | CA |
| 2001-01-25 | 856-279 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | SALEM | NJ |
| 2001-01-25 | 864-396 | PAETEC ITEL, LLC | 829J | GREENWOOD | SC |
| 2001-01-25 | 903-332 | T-MOBILE USA, INC. | 6529 | PARIS | TX |
| 2001-01-25 | 980-776 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | CHARLOTTE | NC |
| 2001-01-25 | 985-718 | LEVEL 3 COMMUNICATIONS, LLC - LA | 3232 | SLIDELL | LA |
| 2001-01-25 | 989-213 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | SAGINAW | MI |
| 2001-01-25 | 989-225 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | BAY CITY | MI |
| 2001-01-25 | 989-400 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | MTPLEASANT | MI |
| 2001-01-24 | 206-249 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7173 | DES MOINES | WA |
| 2001-01-24 | 253-218 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7173 | AUBURN | WA |
| 2001-01-24 | 253-237 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7173 | DES MOINES | WA |
| 2001-01-24 | 408-625 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | SNJS WEST | CA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/17/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.