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
2020-01-07 870-800-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F ROSSTON AR
2020-01-07 870-800-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F ROSSTON AR
2020-01-07 870-900-2XXX 2000–2999Assigned ONVOY, LLC - AR 348F VIOLA AR
2020-01-07 870-900-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F VIOLA AR
2020-01-07 870-912-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F NASHVILLE AR
2020-01-07 870-912-5XXX 5000–5999Assigned ONVOY, LLC - AR 348F NASHVILLE AR
2020-01-06 870-359-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F HOPE AR
2020-01-06 870-359-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F HOPE AR
2020-01-06 870-399-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F BLEVINS AR
2020-01-06 870-399-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F BLEVINS AR
2020-01-06 870-592-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-592-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-592-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-686-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F BODCAW AR
2020-01-06 870-686-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F BODCAW AR
2020-01-06 870-709-2XXX 2000–2999Assigned ONVOY, LLC - AR 348F GURDON AR
2020-01-06 870-709-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F GURDON AR
2020-01-06 870-835-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-835-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-06 870-860-2XXX 2000–2999Assigned ONVOY, LLC - AR 348F HARDY AR
2020-01-06 870-860-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F HARDY AR
2020-01-06 870-872-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PINE BLUFF AR
2020-01-03 870-464-2XXX 2000–2999Assigned ONVOY, LLC - AR 348F ARKADLPHIA AR
2020-01-03 870-464-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F ARKADLPHIA AR
2020-01-03 870-705-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F ASH FLAT AR
2020-01-03 870-705-4XXX 4000–4999Assigned ONVOY, LLC - AR 348F ASH FLAT AR
2020-01-03 870-888-2XXX 2000–2999Assigned ONVOY, LLC - AR 348F ASHDOWN AR
2020-01-03 870-888-3XXX 3000–3999Assigned ONVOY, LLC - AR 348F ASHDOWN AR
2020-01-02 870-328-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FISHER AR
2020-01-02 870-328-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FISHER AR
2019-12-27 870-552-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARLISLE AR
2019-12-17 870-705-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ASH FLAT AR
2019-12-17 870-705-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ASH FLAT AR
2019-12-16 870-205-0XXX 0000–0999Assigned TELNYX LLC 073H PARAGOULD AR
2019-12-04 870-800-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROSSTON AR
2019-12-04 870-800-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROSSTON AR
2019-11-29 870-569-5XXX 5000–5999Assigned E. RITTER COMMUNICATIONS, LLC 128L BATESVILLE AR
2019-11-22 870-309-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL DORADO AR
2019-11-22 870-309-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL DORADO AR
2019-11-22 870-309-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL DORADO AR
2019-11-22 870-309-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL DORADO AR
2019-11-22 870-309-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL DORADO 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.