NumberResearch Membership · Data 2026-04

Recent thousands-block assignments

76 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 2026-04

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

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days
T-MOBILE USA, INC. 76
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 thousands-block assignments
AssignedBlockAssigneeOCNRate centerState
2005-02-18 714-766-2XXX T-MOBILE USA, INC. 6529 WESTMINSTR CA
2005-02-18 775-354-4XXX T-MOBILE USA, INC. 6529 RENO NV
2005-02-18 801-682-9XXX T-MOBILE USA, INC. 6529 KAYSVILLE UT
2005-02-18 808-679-7XXX T-MOBILE USA, INC. 6529 HONOLULU HI
2005-02-18 928-230-2XXX T-MOBILE USA, INC. 6529 LKHAVASUCY AZ
2005-02-18 928-388-9XXX T-MOBILE USA, INC. 6529 YUMA AZ
2005-02-17 213-273-5XXX T-MOBILE USA, INC. 6529 LSAN DA 10 CA
2005-02-17 213-273-6XXX T-MOBILE USA, INC. 6529 LSAN DA 10 CA
2005-02-17 253-426-5XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 253-426-9XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 253-439-7XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 253-882-4XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 253-882-5XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 253-882-6XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 253-882-7XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 253-882-8XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 253-882-9XXX T-MOBILE USA, INC. 6529 TACOMA WA
2005-02-17 314-599-0XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-1XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-2XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-3XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-4XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-5XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-6XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-7XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-8XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 314-599-9XXX T-MOBILE USA, INC. 6529 ST LOUIS MO
2005-02-17 360-213-9XXX T-MOBILE USA, INC. 6529 VANCOUVER WA
2005-02-17 360-359-2XXX T-MOBILE USA, INC. 6529 OLYMPIA WA
2005-02-17 503-984-8XXX T-MOBILE USA, INC. 6529 WOODBURN OR
2005-02-17 510-565-8XXX T-MOBILE USA, INC. 6529 FRNK MAIN CA
2005-02-17 520-668-2XXX T-MOBILE USA, INC. 6529 TUCSON AZ
2005-02-17 623-707-3XXX T-MOBILE USA, INC. 6529 PHOENIX AZ
2005-02-17 623-707-5XXX T-MOBILE USA, INC. 6529 PHOENIX AZ
2005-02-17 623-707-6XXX T-MOBILE USA, INC. 6529 PHOENIX AZ
2005-02-17 630-806-9XXX T-MOBILE USA, INC. 6529 AURORA IL
2005-02-17 702-215-1XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-224-4XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-235-2XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-244-0XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-287-8XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-366-3XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-366-4XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-577-5XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-577-6XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-577-7XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 702-577-8XXX T-MOBILE USA, INC. 6529 LAS VEGAS NV
2005-02-17 720-227-1XXX T-MOBILE USA, INC. 6529 DENVER CO
2005-02-17 720-227-2XXX T-MOBILE USA, INC. 6529 DENVER CO
2005-02-17 720-227-3XXX T-MOBILE USA, INC. 6529 DENVER CO

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.