NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

42 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 856
ONVOY, LLC - NJ 38
NEW CINGULAR WIRELESS PCS, LLC - DC 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 1
BLOCK LINE SYSTEMS, LLC - NJ 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
2021-12-14 856-373-9XXX 9000–9999Assigned METROPCS, INC. 5562 BLACKWOOD NJ
2021-12-14 856-510-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PITMAN NJ
2021-12-14 856-510-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PITMAN NJ
2021-12-14 856-827-5XXX 5000–5999Assigned METROPCS, INC. 5562 BLACKWOOD NJ
2021-12-08 856-523-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F SALEM NJ
2021-12-08 856-603-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F GLOUCESTER NJ
2021-12-06 856-436-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 HADDON HTS NJ
2021-12-06 856-515-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 HADDON HTS NJ
2021-12-06 856-688-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 HADDON HTS NJ
2021-12-06 856-688-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 HADDON HTS NJ
2021-12-06 856-688-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 HADDON HTS NJ
2021-12-03 856-720-9XXX 9000–9999Assigned PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 264F GLOUCESTER NJ
2021-11-30 856-510-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 7134 PITMAN NJ
2021-11-30 856-510-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 7134 PITMAN NJ
2021-11-30 856-510-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 7134 PITMAN NJ
2021-11-23 856-276-8XXX 8000–8999Assigned METROPCS, INC. 5562 PENNSGROVE NJ
2021-11-23 856-326-3XXX 3000–3999Assigned METROPCS, INC. 5562 BRIDGETON NJ
2021-11-23 856-326-9XXX 9000–9999Assigned METROPCS, INC. 5562 BRIDGETON NJ
2021-11-23 856-350-7XXX 7000–7999Assigned METROPCS, INC. 5562 FRANKLINVL NJ
2021-11-23 856-350-8XXX 8000–8999Assigned METROPCS, INC. 5562 FRANKLINVL NJ
2021-11-23 856-413-8XXX 8000–8999Assigned METROPCS, INC. 5562 MILLVILLE NJ
2021-11-23 856-540-1XXX 1000–1999Assigned METROPCS, INC. 5562 PENNSGROVE NJ
2021-11-23 856-689-9XXX 9000–9999Assigned METROPCS, INC. 5562 WOODBURY NJ
2021-11-23 856-821-7XXX 7000–7999Assigned METROPCS, INC. 5562 LAUREL SPG NJ
2021-11-18 856-460-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F BRIDGETON NJ
2021-11-18 856-460-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F BRIDGETON NJ
2021-11-18 856-942-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F COLLINGSWD NJ
2021-11-18 856-957-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F COLLINGSWD NJ
2021-11-16 856-523-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F SALEM NJ
2021-11-16 856-754-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - NJ 118F GLOUCESTER NJ
2021-11-04 856-208-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H BEAVER BRK NJ
2021-11-04 856-208-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H BEAVER BRK NJ
2021-11-04 856-276-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H PENNSGROVE NJ
2021-11-04 856-276-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H PENNSGROVE NJ
2021-11-04 856-385-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H RIVERSIDE NJ
2021-11-04 856-385-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H RIVERSIDE NJ
2021-11-04 856-510-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H PITMAN NJ
2021-11-04 856-510-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H PITMAN NJ
2021-11-04 856-512-9XXX 9000–9999Assigned PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 264F FRANKLINVL NJ
2021-11-04 856-586-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H WOODSTOWN NJ
2021-11-04 856-586-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H WOODSTOWN NJ
2021-11-04 856-595-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H GLASSBORO NJ
2021-11-04 856-595-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H GLASSBORO NJ
2021-11-04 856-607-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H COLLINGSWD NJ
2021-11-04 856-607-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H COLLINGSWD NJ
2021-11-04 856-688-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H HADDON HTS NJ
2021-11-04 856-688-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H HADDON HTS NJ
2021-11-04 856-792-1XXX 1000–1999Assigned PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 264F MERCHANTVL NJ
2021-11-04 856-890-8XXX 8000–8999Assigned PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 264F MARLTON NJ
2021-11-04 856-977-9XXX 9000–9999Assigned PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 264F MILLVILLE NJ

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.