NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

6 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

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 870
ONVOY, LLC - AR 5
AHOI LLC 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
2022-01-06 870-444-9XXX 9000–9999Assigned ONVOY, LLC - AR 348F EL DORADO AR
2022-01-06 870-560-5XXX 5000–5999Assigned ONVOY, LLC - AR 348F PARAGOULD AR
2022-01-06 870-560-6XXX 6000–6999Assigned ONVOY, LLC - AR 348F PARAGOULD AR
2021-12-30 870-752-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 BRINKLEY AR
2021-12-28 870-719-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HARRISON AR
2021-12-16 870-242-5XXX 5000–5999Assigned ONVOY, LLC - AR 348F DAISY AR
2021-12-16 870-682-2XXX 2000–2999Assigned ONVOY, LLC - AR 348F ELAINE AR
2021-12-08 870-218-2XXX 2000–2999Assigned ONVOY, LLC - AR 348F PINE BLUFF AR
2021-12-08 870-218-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F PINE BLUFF AR
2021-12-08 870-218-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F PINE BLUFF AR
2021-12-08 870-459-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F COTTONPLNT AR
2021-12-06 870-560-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PARAGOULD AR
2021-12-06 870-560-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PARAGOULD AR
2021-11-18 870-354-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H UMPIRE AR
2021-11-05 870-609-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H POCAHONTAS AR
2021-11-05 870-609-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H POCAHONTAS AR
2021-11-02 870-242-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F DAISY AR
2021-11-02 870-244-8XXX 8000–8999Assigned ONVOY, LLC - AR 348F EARLE AR
2021-11-02 870-290-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F DELIGHT AR
2021-11-02 870-306-6XXX 6000–6999Assigned ONVOY, LLC - AR 348F OKOLONA AR
2021-11-02 870-337-7XXX 7000–7999Assigned ONVOY, LLC - AR 348F NORMAN AR
2021-11-02 870-354-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F UMPIRE AR
2021-11-02 870-355-6XXX 6000–6999Assigned SOUTHWESTERN BELL 9533 EUDORA AR
2021-10-25 870-518-5XXX 5000–5999Assigned ONVOY, LLC - AR 348F DE QUEEN AR
2021-10-25 870-629-8XXX 8000–8999Assigned ONVOY, LLC - AR 348F W MEMPHIS AR
2021-10-25 870-636-8XXX 8000–8999Assigned ONVOY, LLC - AR 348F W MEMPHIS AR
2021-10-25 870-702-9XXX 9000–9999Assigned ONVOY, LLC - AR 348F W MEMPHIS AR
2021-10-25 870-839-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F MARION AR
2021-10-25 870-894-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - AR 5179 BRADLEY AR
2021-10-15 870-912-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NASHVILLE AR
2021-10-13 870-803-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H BAY AR
2021-10-13 870-803-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H BAY AR
2021-10-13 870-813-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H BODCAW AR
2021-10-13 870-813-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H BODCAW AR
2021-10-08 870-790-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 JONESBORO AR
2021-10-08 870-790-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 JONESBORO AR
2021-10-08 870-790-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 JONESBORO AR
2021-10-08 870-790-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 JONESBORO AR
2021-10-08 870-790-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 JONESBORO AR
2021-10-08 870-790-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 JONESBORO AR
2021-10-08 870-790-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 JONESBORO AR
2021-10-01 870-291-8XXX 8000–8999Assigned ONVOY, LLC - AR 348F MELBOURNE AR
2021-09-28 870-287-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - AR 5179 MINERALSPG AR
2021-09-24 870-324-4XXX 4000–4999Assigned TON80 COMMUNICATIONS, LLC 516J PIGGOTT AR
2021-09-14 870-641-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - AR 5179 JONESBORO AR
2021-09-13 870-841-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 MARSHALL AR
2021-09-08 870-667-2XXX 2000–2999Assigned METROPCS, INC. 5562 ASHDOWN AR
2021-09-07 870-244-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F EARLE AR
2021-09-07 870-402-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F MIDWAY AR
2021-09-07 870-433-5XXX 5000–5999Assigned ONVOY, LLC - AR 348F CHEROKEVLG AR

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.