NumberResearchRecent prefix assignments
380 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
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 |
|---|---|---|---|---|---|
| 2001-04-24 | 619-895 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2001-04-24 | 619-913 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2001-04-24 | 619-925 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2001-04-24 | 619-981 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2001-04-24 | 619-988 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2001-04-24 | 619-991 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2001-04-24 | 619-995 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNDG SNDG | CA |
| 2001-04-24 | 623-876 | QWEST CORPORATION | 9636 | PHOENIX | AZ |
| 2001-04-24 | 641-752 | QWEST CORPORATION | 9631 | MARSHALLTN | IA |
| 2001-04-24 | 641-753 | QWEST CORPORATION | 9631 | MARSHALLTN | IA |
| 2001-04-24 | 641-754 | QWEST CORPORATION | 9631 | MARSHALLTN | IA |
| 2001-04-24 | 719-229 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2001-04-24 | 719-231 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2001-04-24 | 719-232 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2001-04-24 | 719-406 | T-MOBILE USA, INC. | 6529 | PUEBLO | CO |
| 2001-04-24 | 760-207 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VISTA | CA |
| 2001-04-24 | 760-212 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VISTA | CA |
| 2001-04-24 | 760-213 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VISTA | CA |
| 2001-04-24 | 760-214 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VISTA | CA |
| 2001-04-24 | 760-390 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VISTA | CA |
| 2001-04-24 | 760-989 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | INDIO | CA |
| 2001-04-24 | 774-454 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | PLYMOUTH | MA |
| 2001-04-24 | 781-856 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NORWOOD | MA |
| 2001-04-24 | 781-929 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NORWOOD | MA |
| 2001-04-24 | 808-936 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | HILO | HI |
| 2001-04-24 | 808-937 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | HILO | HI |
| 2001-04-24 | 808-938 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | HILO | HI |
| 2001-04-24 | 857-363 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | EVERETT | MA |
| 2001-04-24 | 858-344 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LA JOLLA | CA |
| 2001-04-24 | 904-237 | POWERTEL JACKSONVILLE LICENSES, INC. | 7472 | JACKSONVL | FL |
| 2001-04-24 | 904-545 | METROPCS, INC. | 5562 | JACKSONVL | FL |
| 2001-04-24 | 904-759 | METROPCS, INC. | 5562 | JACKSONVL | FL |
| 2001-04-24 | 916-320 | METROPCS, INC. | 5562 | SCRM MAIN | CA |
| 2001-04-24 | 916-475 | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2001-04-24 | 916-759 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | RSVL MAIN | CA |
| 2001-04-24 | 916-919 | METROPCS, INC. | 5562 | SCRM MAIN | CA |
| 2001-04-24 | 925-579 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LIVERMORE | CA |
| 2001-04-24 | 925-839 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | MARTINEZ | CA |
| 2001-04-24 | 925-852 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CONCORD | CA |
| 2001-04-24 | 970-300 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | ASPEN | CO |
| 2001-04-24 | 970-404 | T-MOBILE USA, INC. | 6529 | GLENWD SPG | CO |
| 2001-04-24 | 970-405 | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| 2001-04-24 | 972-638 | SOUTHWESTERN BELL | 9533 | DALLAS | TX |
| 2001-04-24 | 972-792 | SOUTHWESTERN BELL | 9533 | DALLAS | TX |
| 2001-04-24 | 978-505 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | CONCORD | MA |
| 2001-04-24 | 978-764 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LAWRENCE | MA |
| 2001-04-24 | 985-768 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SLIDELL | LA |
| 2001-04-24 | 985-772 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA | 6505 | HOUMA | LA |
| 2001-04-23 | 206-212 | TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | DES MOINES | WA |
| 2001-04-23 | 206-266 | LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | SEATTLE | WA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.