NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

2 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 — NPA 915
PEERLESS NETWORK OF TEXAS, LLC - TX 1
8X8, INC. 1
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
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2020-07-24 915-268-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 EL PASO TX
2020-07-24 915-268-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 EL PASO TX
2020-07-24 915-268-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 EL PASO TX
2020-07-24 915-268-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 EL PASO TX
2020-07-24 915-621-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 EL PASO TX
2020-07-24 915-621-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 EL PASO TX
2020-07-24 915-621-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 EL PASO TX
2020-07-24 915-888-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 EL PASO TX
2020-07-17 915-265-0XXX 0000–0999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-07-17 915-529-1XXX 1000–1999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-07-17 915-529-5XXX 5000–5999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-07-09 915-975-4XXX 4000–4999Assigned METROPCS, INC. 5562 EL PASO TX
2020-07-09 915-979-1XXX 1000–1999Assigned METROPCS, INC. 5562 EL PASO TX
2020-07-09 915-990-0XXX 0000–0999Assigned METROPCS, INC. 5562 EL PASO TX
2020-07-02 915-465-8XXX 8000–8999Assigned FRACTEL, LLC 965H EL PASO TX
2020-06-23 915-265-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H EL PASO TX
2020-06-23 915-265-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H EL PASO TX
2020-06-23 915-265-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H EL PASO TX
2020-06-15 915-666-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 CANUTILLO TX
2020-06-08 915-268-2XXX 2000–2999Assigned CSC WIRELESS, LLC 425J EL PASO TX
2020-05-22 915-224-3XXX 3000–3999Assigned METROPCS, INC. 5562 EL PASO TX
2020-05-14 915-529-2XXX 2000–2999Assigned TWC IP ENABLED SERVICES, LLC 793K EL PASO TX
2020-04-30 915-265-2XXX 2000–2999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 EL PASO TX
2020-04-20 915-222-7XXX 7000–7999Assigned METROPCS, INC. 5562 EL PASO TX
2020-04-20 915-265-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-04-20 915-265-5XXX 5000–5999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-04-20 915-265-6XXX 6000–6999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-04-20 915-265-7XXX 7000–7999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-03-31 915-529-0XXX 0000–0999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-03-31 915-529-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-03-31 915-615-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-03-31 915-615-7XXX 7000–7999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-03-31 915-615-8XXX 8000–8999Assigned ONVOY, LLC - TX 903C EL PASO TX
2020-03-30 915-666-6XXX 6000–6999Assigned FRACTEL, LLC 965H CANUTILLO TX
2020-03-23 915-710-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-710-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-710-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-710-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-757-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-759-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-791-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-808-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-808-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-808-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-808-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-808-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-822-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-838-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-23 915-841-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2020-03-02 915-975-1XXX 1000–1999Assigned ONVOY, LLC - TX 903C EL PASO TX

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.