NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

9 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 539
NEW CINGULAR WIRELESS PCS, LLC - IL 4
ONVOY, LLC - OK 3
TELEPORT COMMUNICATIONS AMERICA OK - LLC 1
OPENTACT 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
2021-01-25 539-269-1XXX 1000–1999Assigned ONVOY, LLC - OK 409F EUFAULA OK
2021-01-25 539-269-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F EUFAULA OK
2021-01-25 539-800-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F COMMERCE OK
2021-01-25 539-800-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F COMMERCE OK
2021-01-25 539-995-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F MCALESTER OK
2021-01-25 539-995-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F MCALESTER OK
2021-01-20 539-766-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F BROKENARRW OK
2021-01-20 539-766-9XXX 9000–9999Assigned ONVOY, LLC - OK 409F BROKENARRW OK
2021-01-13 539-577-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 5813 MIAMI OK
2020-12-31 539-203-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F STROUD OK
2020-12-31 539-203-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F STROUD OK
2020-12-31 539-212-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F PAWHUSKA OK
2020-12-31 539-212-9XXX 9000–9999Assigned ONVOY, LLC - OK 409F PAWHUSKA OK
2020-12-31 539-230-0XXX 0000–0999Assigned ONVOY, LLC - OK 409F SALLISAW OK
2020-12-31 539-230-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F SALLISAW OK
2020-12-31 539-237-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F STIGLER OK
2020-12-31 539-237-7XXX 7000–7999Assigned ONVOY, LLC - OK 409F STIGLER OK
2020-12-31 539-255-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F PICHER OK
2020-12-31 539-255-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F PICHER OK
2020-12-31 539-265-7XXX 7000–7999Assigned ONVOY, LLC - OK 409F SAPULPA OK
2020-12-31 539-265-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F SAPULPA OK
2020-12-31 539-265-9XXX 9000–9999Assigned ONVOY, LLC - OK 409F SAPULPA OK
2020-12-30 539-269-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - OK 119F EUFAULA OK
2020-12-23 539-200-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F BARNSDALL OK
2020-12-23 539-200-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F BARNSDALL OK
2020-12-23 539-214-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F FAIRFAX OK
2020-12-23 539-214-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F FAIRFAX OK
2020-12-23 539-214-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F FAIRFAX OK
2020-12-23 539-216-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F CHECOTAH OK
2020-12-23 539-216-7XXX 7000–7999Assigned ONVOY, LLC - OK 409F CHECOTAH OK
2020-12-23 539-221-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F HASKELL OK
2020-12-23 539-221-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F HASKELL OK
2020-12-23 539-221-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F HASKELL OK
2020-12-23 539-221-7XXX 7000–7999Assigned ONVOY, LLC - OK 409F HASKELL OK
2020-12-23 539-269-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F EUFAULA OK
2020-12-23 539-269-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F EUFAULA OK
2020-12-23 539-800-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F COMMERCE OK
2020-12-23 539-800-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F COMMERCE OK
2020-12-23 539-800-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F COMMERCE OK
2020-12-23 539-800-7XXX 7000–7999Assigned ONVOY, LLC - OK 409F COMMERCE OK
2020-12-02 539-243-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F WATTS OK
2020-12-02 539-243-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F WATTS OK
2020-12-01 539-995-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F MCALESTER OK
2020-12-01 539-995-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F MCALESTER OK
2020-11-30 539-212-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F PAWHUSKA OK
2020-11-30 539-212-4XXX 4000–4999Assigned ONVOY, LLC - OK 409F PAWHUSKA OK
2020-11-27 539-216-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F CHECOTAH OK
2020-11-27 539-216-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F CHECOTAH OK
2020-11-27 539-265-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F SAPULPA OK
2020-11-27 539-265-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F SAPULPA OK

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.