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
2002-05-17 909-528 T-MOBILE USA, INC. 6529 MENTONE CA
2002-05-17 909-991 T-MOBILE USA, INC. 6529 S BERNDINO CA
2002-05-16 520-227 T-MOBILE USA, INC. 6529 SIERRAVIST AZ
2002-05-15 213-675 T-MOBILE USA, INC. 6529 LSAN DA 07 CA
2002-05-15 213-820 T-MOBILE USA, INC. 6529 LSAN DA 10 CA
2002-05-14 425-328 T-MOBILE USA, INC. 6529 EVERETT WA
2002-05-03 580-760 T-MOBILE USA, INC. 6529 DURANT OK
2002-04-30 219-306 T-MOBILE USA, INC. 6529 CROWNPOINT IN
2002-04-30 224-627 T-MOBILE USA, INC. 6529 WAUKEGAN IL
2002-04-26 918-820 T-MOBILE USA, INC. 6529 MCALESTER OK
2002-04-26 918-860 T-MOBILE USA, INC. 6529 DEWEY OK
2002-04-26 918-873 T-MOBILE USA, INC. 6529 CUSHING OK
2002-04-24 217-841 T-MOBILE USA, INC. 6529 CHAMPAURBN IL
2002-04-24 234-294 T-MOBILE USA, INC. 6529 GREENSBURG OH
2002-04-24 330-361 T-MOBILE USA, INC. 6529 NO CANTON OH
2002-04-24 724-931 T-MOBILE USA, INC. 6529 SHARON PA
2002-04-22 216-632 T-MOBILE USA, INC. 6529 MONTRSE OH
2002-04-22 216-773 T-MOBILE USA, INC. 6529 TERRACE OH
2002-04-22 216-856 T-MOBILE USA, INC. 6529 INDEPNDNCE OH
2002-04-22 330-396 T-MOBILE USA, INC. 6529 MONTROSE OH
2002-04-22 440-212 T-MOBILE USA, INC. 6529 STRONGSVL OH
2002-04-22 440-360 T-MOBILE USA, INC. 6529 TRINITY OH
2002-04-22 440-681 T-MOBILE USA, INC. 6529 HILLCREST OH
2002-04-22 440-749 T-MOBILE USA, INC. 6529 WILLOUGHBY OH
2002-04-22 440-832 T-MOBILE USA, INC. 6529 BRECKSVL OH
2002-04-22 814-350 T-MOBILE USA, INC. 6529 MEADVILLE PA
2002-04-19 224-402 T-MOBILE USA, INC. 6529 ELGIN IL
2002-04-18 580-830 T-MOBILE USA, INC. 6529 PERRY OK
2002-04-17 309-613 T-MOBILE USA, INC. 6529 PEKIN IL
2002-04-17 541-351 T-MOBILE USA, INC. 6529 NEWPORT OR
2002-04-17 928-533 T-MOBILE USA, INC. 6529 PRESCOTT AZ
2002-04-16 405-926 T-MOBILE USA, INC. 6529 PAULS VLY OK
2002-04-16 580-823 T-MOBILE USA, INC. 6529 TONKAWA OK
2002-04-15 530-840 T-MOBILE USA, INC. 6529 RED BLUFF CA
2002-04-15 530-863 T-MOBILE USA, INC. 6529 AUBN MAIN CA
2002-04-15 530-933 T-MOBILE USA, INC. 6529 MARYSVILLE CA
2002-04-15 559-836 T-MOBILE USA, INC. 6529 HANFORD CA
2002-04-15 707-843 T-MOBILE USA, INC. 6529 SANTA ROSA CA
2002-04-15 760-677 T-MOBILE USA, INC. 6529 RIDGECREST CA
2002-04-15 951-907 T-MOBILE USA, INC. 6529 RIVERSIDE CA
2002-04-14 216-253 T-MOBILE USA, INC. 6529 INDEPNDNCE OH
2002-04-11 219-313 T-MOBILE USA, INC. 6529 GARY IN
2002-04-09 513-331 T-MOBILE USA, INC. 6529 LEBANON OH
2002-04-09 580-736 T-MOBILE USA, INC. 6529 DUNCAN OK
2002-04-09 580-756 T-MOBILE USA, INC. 6529 MARLOW OK
2002-04-09 580-917 T-MOBILE USA, INC. 6529 LAWTON OK
2002-04-08 216-235 T-MOBILE USA, INC. 6529 CLEVELAND OH
2002-04-08 330-934 T-MOBILE USA, INC. 6529 NEWPHLDLPH OH
2002-04-08 330-998 T-MOBILE USA, INC. 6529 TWINSBURG OH
2002-04-08 419-908 T-MOBILE USA, INC. 6529 ASHLAND OH

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.