Recent prefix assignments
355 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 |
|---|---|---|---|---|---|
| 2001-03-16 | 575-302 | T-MOBILE USA, INC. | 6529 | CARLSBAD | NM |
| 2001-03-16 | 603-801 | BELL ATLANTIC MOBILE, INC | 6386 | MILFORD | NH |
| 2001-03-16 | 603-978 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DOVER | NH |
| 2001-03-16 | 605-221 | PAETEC ITEL, LLC | 829J | SIOUX FLS | SD |
| 2001-03-16 | 662-296 | CELLULAR SOUTH, INC. | 6581 | PONTOTOC | MS |
| 2001-03-16 | 757-946 | PAETEC ITEL, LLC | 829J | NWPTNWSZN4 | VA |
| 2001-03-16 | 787-320 | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | SANTURCE | PR |
| 2001-03-16 | 787-356 | METROPCS, INC. | 5562 | ARECIBO | PR |
| 2001-03-16 | 787-432 | METROPCS, INC. | 5562 | PONCE | PR |
| 2001-03-16 | 801-279 | SPOK, INC. | 6630 | KAYSVILLE | UT |
| 2001-03-16 | 801-283 | SPOK, INC. | 6630 | PROVO | UT |
| 2001-03-16 | 801-686 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OGDEN | UT |
| 2001-03-16 | 801-687 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PROVO | UT |
| 2001-03-16 | 801-688 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT |
| 2001-03-16 | 810-448 | TELNET WORLDWIDE, INC. | 817J | DRYDEN | MI |
| 2001-03-16 | 810-488 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PORT HURON | MI |
| 2001-03-16 | 850-250 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | PANAMACITY | FL |
| 2001-03-16 | 850-260 | POWERTEL JACKSONVILLE LICENSES, INC. | 7472 | CHIPLEY | FL |
| 2001-03-16 | 850-270 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | TALLAHASSE | FL |
| 2001-03-16 | 850-290 | CENTURYLINK OF FLORIDA, INC. (CENTRAL) | 0340 | MADISON | FL |
| 2001-03-16 | 956-489 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LAREDO | TX |
| 2001-03-16 | 971-214 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BEAVERTON | OR |
| 2001-03-15 | 214-298 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2001-03-15 | 240-216 | METROPCS, INC. | 5562 | WALDORF | MD |
| 2001-03-15 | 240-793 | METROPCS, INC. | 5562 | GAITHERSBG | MD |
| 2001-03-15 | 443-398 | METROPCS, INC. | 5562 | SYKESVILLE | MD |
| 2001-03-15 | 443-677 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | BALTIMORE | MD |
| 2001-03-15 | 469-447 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | CRANDALL | TX |
| 2001-03-15 | 469-652 | METROPCS, INC. | 5562 | TERRELL | TX |
| 2001-03-15 | 562-587 | T-MOBILE USA, INC. | 6529 | WHITTIER | CA |
| 2001-03-15 | 631-445 | METROPCS, INC. | 5562 | BRENTWOOD | NY |
| 2001-03-15 | 631-594 | CSC VOICE, LLC | 612K | HAMPTNBAYS | NY |
| 2001-03-15 | 708-724 | T-MOBILE USA, INC. | 6529 | LA GRANGE | IL |
| 2001-03-15 | 832-489 | METROPCS, INC. | 5562 | HOUSTON | TX |
| 2001-03-14 | 201-699 | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | CLIFFSIDE | NJ |
| 2001-03-14 | 201-778 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | CRAGMERE | NJ |
| 2001-03-14 | 201-890 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HASBROKHTS | NJ |
| 2001-03-14 | 201-984 | COMCAST IP PHONE, LLC | 318J | JERSEYCITY | NJ |
| 2001-03-14 | 203-604 | LEVEL 3 COMMUNICATIONS, LLC - CT | 4800 | NORWALK | CT |
| 2001-03-14 | 203-816 | LEVEL 3 COMMUNICATIONS, LLC - CT | 4800 | TRUMBULL | CT |
| 2001-03-14 | 203-930 | LEVEL 3 COMMUNICATIONS, LLC - CT | 4800 | GREENWICH | CT |
| 2001-03-14 | 205-335 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | BIRMINGHAM | AL |
| 2001-03-14 | 225-253 | METROPCS, INC. | 5562 | GONZALES | LA |
| 2001-03-14 | 307-203 | T-MOBILE USA, INC. | 6529 | JACKSON | WY |
| 2001-03-14 | 318-268 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MINDEN | LA |
| 2001-03-14 | 318-277 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | BOYCE | LA |
| 2001-03-14 | 318-334 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | RAYVILLE | LA |
| 2001-03-14 | 318-341 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | TALLULAH | LA |
| 2001-03-14 | 325-936 | SOUTHWESTERN BELL | 9533 | ROSCOE | TX |
| 2001-03-14 | 337-246 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | JENNINGS | LA |
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.