NumberResearch Membership · Data 2026-04

Recent prefix assignments

5 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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
T-MOBILE USA, INC. 5
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
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
2002-10-22 480-241 T-MOBILE USA, INC. 6529 PHOENIX AZ
2002-10-22 480-242 T-MOBILE USA, INC. 6529 PHOENIX AZ
2002-10-21 325-374 T-MOBILE USA, INC. 6529 SAN ANGELO TX
2002-10-18 224-522 T-MOBILE USA, INC. 6529 NORTHBROOK IL
2002-10-18 224-717 T-MOBILE USA, INC. 6529 ZION IL
2002-10-18 224-805 T-MOBILE USA, INC. 6529 ARLIGTNHTS IL
2002-10-18 435-862 T-MOBILE USA, INC. 6529 ST GEORGE UT
2002-10-17 224-280 T-MOBILE USA, INC. 6529 WAUKEGAN IL
2002-10-17 310-985 T-MOBILE USA, INC. 6529 SNMN SNMN CA
2002-10-17 714-588 T-MOBILE USA, INC. 6529 ANAHEIM CA
2002-10-17 714-623 T-MOBILE USA, INC. 6529 SANTA ANA CA
2002-10-17 714-675 T-MOBILE USA, INC. 6529 SANTA ANA CA
2002-10-17 714-797 T-MOBILE USA, INC. 6529 ANAHEIM CA
2002-10-17 818-448 T-MOBILE USA, INC. 6529 VAN NUYS CA
2002-10-17 818-633 T-MOBILE USA, INC. 6529 VAN NUYS CA
2002-10-17 818-919 T-MOBILE USA, INC. 6529 BRBN BRBN CA
2002-10-17 909-913 T-MOBILE USA, INC. 6529 S BERNDINO CA
2002-10-17 951-756 T-MOBILE USA, INC. 6529 RIVERSIDE CA
2002-10-16 708-691 T-MOBILE USA, INC. 6529 ORLAND IL
2002-10-16 773-715 T-MOBILE USA, INC. 6529 CHICGOZN06 IL
2002-10-16 773-727 T-MOBILE USA, INC. 6529 CHICGOZN10 IL
2002-10-16 773-817 T-MOBILE USA, INC. 6529 CHICGOZN03 IL
2002-10-16 970-575 T-MOBILE USA, INC. 6529 FRASER CO
2002-10-16 970-576 T-MOBILE USA, INC. 6529 GREELEY CO
2002-10-14 312-404 T-MOBILE USA, INC. 6529 CHICGOZN01 IL
2002-10-11 562-787 T-MOBILE USA, INC. 6529 LONG BEACH CA
2002-10-07 775-292 T-MOBILE USA, INC. 6529 GARDNERVL NV
2002-10-03 630-768 T-MOBILE USA, INC. 6529 NAPERVILLE IL
2002-10-02 712-346 T-MOBILE USA, INC. 6529 SPENCER IA
2002-10-02 830-444 T-MOBILE USA, INC. 6529 HONDO TX
2002-10-02 830-445 T-MOBILE USA, INC. 6529 GONZALES TX
2002-09-30 573-200 T-MOBILE USA, INC. 6529 CAPEGIRARD MO
2002-09-30 815-608 T-MOBILE USA, INC. 6529 ROCKFORD IL
2002-09-27 702-357 T-MOBILE USA, INC. 6529 LAUGHLIN NV
2002-09-27 702-358 T-MOBILE USA, INC. 6529 LAS VEGAS NV
2002-09-25 224-875 T-MOBILE USA, INC. 6529 ELK GROVE IL
2002-09-25 432-201 T-MOBILE USA, INC. 6529 SEMINOLE TX
2002-09-25 574-221 T-MOBILE USA, INC. 6529 NAPPANEE IN
2002-09-23 224-392 T-MOBILE USA, INC. 6529 NORTHBROOK IL
2002-09-20 760-840 T-MOBILE USA, INC. 6529 ENCINITAS CA
2002-09-20 805-574 T-MOBILE USA, INC. 6529 ARROYOGRND CA
2002-09-20 805-703 T-MOBILE USA, INC. 6529 ATASCADERO CA
2002-09-20 818-744 T-MOBILE USA, INC. 6529 SNFN SNFN CA
2002-09-20 818-915 T-MOBILE USA, INC. 6529 NO HOLLYWD CA
2002-09-20 925-913 T-MOBILE USA, INC. 6529 BSHP RNCH CA
2002-09-20 925-914 T-MOBILE USA, INC. 6529 CLAYTON CA
2002-09-20 925-915 T-MOBILE USA, INC. 6529 DANVILLE CA
2002-09-20 925-917 T-MOBILE USA, INC. 6529 MARTINEZ CA
2002-09-20 925-922 T-MOBILE USA, INC. 6529 PLEASANTON CA
2002-09-20 949-690 T-MOBILE USA, INC. 6529 SADLBK VLY CA

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.