NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

5 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 937
PEERLESS NETWORK OF OHIO, LLC - OH 2
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
TELNYX LLC 1
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
2012-09-19 937-709-4XXX 4000–4999Assigned ONVOY, LLC - OH 464C BELLBROOK OH
2012-09-19 937-756-9XXX 9000–9999Assigned ONVOY, LLC - OH 464C SOUTHSOLON OH
2012-09-19 937-817-3XXX 3000–3999Assigned ONVOY, LLC - OH 464C CHRISTISBG OH
2012-09-19 937-862-0XXX 0000–0999Assigned ONVOY, LLC - OH 464C SPRING VLY OH
2012-09-19 937-872-2XXX 2000–2999Assigned ONVOY, LLC - OH 464C JAMESTOWN OH
2012-09-19 937-966-6XXX 6000–6999Assigned ONVOY, LLC - OH 464C NO HAMPTON OH
2012-09-19 937-969-6XXX 6000–6999Assigned ONVOY, LLC - OH 464C TREMONT CY OH
2012-09-12 937-247-7XXX 7000–7999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F MSBGWCRLTN OH
2012-09-12 937-280-7XXX 7000–7999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F VANDALIA OH
2012-09-12 937-343-7XXX 7000–7999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F FAIRBORN OH
2012-09-12 937-350-9XXX 9000–9999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F CENTERVLLE OH
2012-09-12 937-352-7XXX 7000–7999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F XENIA OH
2012-09-12 937-504-0XXX 0000–0999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F SPRINGFLD OH
2012-09-12 937-550-7XXX 7000–7999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F FRANKLIN OH
2012-09-12 937-702-0XXX 0000–0999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F BEAVERCREK OH
2012-09-12 937-709-1XXX 1000–1999Assigned CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS 600F BELLBROOK OH
2012-09-06 937-503-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-09-06 937-503-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-09-06 937-503-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-09-06 937-503-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-08-20 937-683-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 EATON OH
2012-08-15 937-709-2XXX 2000–2999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 BELLBROOK OH
2012-08-06 937-701-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-08-02 937-309-8XXX 8000–8999Assigned AERIAL COMMUNICATIONS, INC. 6701 MARYSVILLE OH
2012-07-31 937-702-1XXX 1000–1999Assigned FIRST COMMUNICATIONS, LLC 460K BEAVERCREK OH
2012-07-27 937-210-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 BELLEFNTAN OH
2012-07-26 937-713-0XXX 0000–0999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-1XXX 1000–1999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-2XXX 2000–2999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-3XXX 3000–3999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-4XXX 4000–4999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-5XXX 5000–5999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-6XXX 6000–6999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-7XXX 7000–7999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-8XXX 8000–8999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-26 937-713-9XXX 9000–9999Assigned LEVEL 3 TELECOM OF OHIO, LLC - OH 7460 DAYTON OH
2012-07-13 937-701-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F DAYTON OH
2012-07-13 937-701-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F DAYTON OH
2012-06-25 937-846-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 NEWCARLISL OH
2012-06-20 937-419-7XXX 7000–7999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 SIDNEY OH
2012-06-12 937-887-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F W LIBERTY OH
2012-06-12 937-982-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F BYHALIA OH
2012-06-07 937-701-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-06-07 937-701-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-06-07 937-701-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-06-07 937-701-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-06-07 937-701-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 DAYTON OH
2012-06-06 937-543-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 NEWCARLISL OH
2012-06-05 937-999-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K DAYTON OH
2012-06-05 937-999-5XXX 5000–5999Assigned TWC IP ENABLED SERVICES, LLC 793K DAYTON OH

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.