NumberResearchRecent prefix assignments
369 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 |
|---|---|---|---|---|---|
| 2001-05-15 | 520-509 | LEVEL 3 COMMUNICATIONS, LLC - AZ | 3285 | CASAGRANDE | AZ |
| 2001-05-15 | 520-619 | T-MOBILE USA, INC. | 6529 | NOGALES | AZ |
| 2001-05-15 | 520-732 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SIERRAVIST | AZ |
| 2001-05-15 | 571-241 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN17 | VA |
| 2001-05-15 | 571-423 | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN17 | VA |
| 2001-05-15 | 607-348 | PAETEC ITEL, LLC | 829J | BINGHAMTON | NY |
| 2001-05-15 | 607-429 | PAETEC ITEL, LLC | 829J | ENDICOTT | NY |
| 2001-05-15 | 641-233 | T-MOBILE USA, INC. | 6529 | FAIRFIELD | IA |
| 2001-05-15 | 763-442 | AERIAL COMMUNICATIONS, INC. | 6701 | TWINCITIES | MN |
| 2001-05-15 | 843-551 | FTC DIVERSIFIED SERVICES, INC. | 4255 | HEMINGWAY | SC |
| 2001-05-15 | 843-630 | TWC IP ENABLED SERVICES, LLC | 793K | ANDREWS | SC |
| 2001-05-15 | 937-203 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | DAYTON | OH |
| 2001-05-14 | 205-362 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PELL CITY | AL |
| 2001-05-14 | 254-233 | SOUTHWESTERN BELL | 9533 | STRAWN | TX |
| 2001-05-14 | 254-477 | SOUTHWESTERN BELL | 9533 | BRECKENRDG | TX |
| 2001-05-14 | 313-727 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DETROITZN5 | MI |
| 2001-05-14 | 321-593 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | TITUSVILLE | FL |
| 2001-05-14 | 325-715 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | TOW | TX |
| 2001-05-14 | 361-258 | SOUTHWESTERN BELL | 9533 | HALLETTSVL | TX |
| 2001-05-14 | 361-487 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | PORTLAVACA | TX |
| 2001-05-14 | 417-579 | BRIGHTSPEED OF MISSOURI, LLC | 9787 | GALENA | MO |
| 2001-05-14 | 417-657 | EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO | 1811 | LEBANON | MO |
| 2001-05-14 | 417-671 | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | CASSVILLE | MO |
| 2001-05-14 | 417-677 | RYSTEC, INC | 142C | FORSYTH | MO |
| 2001-05-14 | 417-712 | UNITED STATES CELLULAR - MO | 6275 | GAINESVL | MO |
| 2001-05-14 | 417-747 | BRIGHTSPEED OF MISSOURI, LLC | 9787 | BLUE EYE | MO |
| 2001-05-14 | 417-791 | BRIGHTSPEED OF MISSOURI, LLC | 9787 | BRANSON | MO |
| 2001-05-14 | 417-892 | BRIGHTSPEED OF MISSOURI, LLC | 9784 | CRANE | MO |
| 2001-05-14 | 505-306 | T-MOBILE USA, INC. | 6529 | ALBUQURQUE | NM |
| 2001-05-14 | 505-307 | METROPCS, INC. | 5562 | ALBUQURQUE | NM |
| 2001-05-14 | 505-409 | T-MOBILE USA, INC. | 6529 | GALLUP | NM |
| 2001-05-14 | 515-257 | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | 8344 | DES MOINES | IA |
| 2001-05-14 | 562-572 | T-MOBILE USA, INC. | 6529 | LONG BEACH | CA |
| 2001-05-14 | 575-313 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | 6573 | SILVERCITY | NM |
| 2001-05-14 | 682-459 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | CLEBURNE | TX |
| 2001-05-14 | 720-333 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2001-05-14 | 720-334 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2001-05-14 | 720-335 | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2001-05-14 | 734-620 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAYNE | MI |
| 2001-05-14 | 734-834 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ANN ARBOR | MI |
| 2001-05-14 | 757-737 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | NRFOLKZON2 | VA |
| 2001-05-14 | 760-900 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VICTORVL | CA |
| 2001-05-14 | 763-360 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TWINCITIES | MN |
| 2001-05-14 | 801-637 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT |
| 2001-05-14 | 801-638 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SALT LAKE | UT |
| 2001-05-14 | 816-956 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | ODESSA | MO |
| 2001-05-14 | 830-326 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | DILLEY | TX |
| 2001-05-14 | 830-519 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | GONZALES | TX |
| 2001-05-14 | 830-572 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 2154 | GILLETT | TX |
| 2001-05-14 | 830-697 | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7138 | MEDINALAKE | TX |
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.