NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

0 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, all time — NPA 704
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 381
SUNCOM DBA T-MOBILE USA 319
ONVOY, LLC - NC 291
NEW CINGULAR WIRELESS PCS, LLC - GA 273
LEVEL 3 COMMUNICATIONS, LLC - NC 250
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
2019-07-31 704-388-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CHARLOTTE NC
2019-07-31 704-388-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CHARLOTTE NC
2019-07-31 704-632-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CHARLOTTE NC
2019-07-31 704-859-2XXX 2000–2999Assigned ONVOY, LLC - NC 638E CHNGRVLNDS NC
2019-07-16 704-471-3XXX 3000–3999Assigned TELNYX LLC 073H SHELBY NC
2019-07-11 704-317-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - NC 998E CHARLOTTE NC
2019-07-11 704-317-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - NC 998E CHARLOTTE NC
2019-07-11 704-317-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - NC 998E CHARLOTTE NC
2019-07-10 704-388-9XXX 9000–9999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - NC 8389 CHARLOTTE NC
2019-06-28 704-521-0XXX 0000–0999Assigned METROPCS, INC. 5562 CHARLOTTE NC
2019-06-25 704-389-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - NC 8389 PEACHLPKTN NC
2019-06-17 704-521-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 7835 CHARLOTTE NC
2019-06-11 704-627-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - NC 3235 WAXHAW NC
2019-06-03 704-272-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - NC 3235 PEACHLPKTN NC
2019-04-22 704-471-8XXX 8000–8999Assigned ONVOY, LLC - NC 638E SHELBY NC
2019-04-10 704-672-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NC 998E CHARLOTTE NC
2019-04-10 704-672-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - NC 998E CHARLOTTE NC
2019-03-06 704-647-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 SALISBURY NC
2019-03-06 704-703-0XXX 0000–0999Assigned ONVOY, LLC - NC 638E LILESVILLE NC
2019-03-06 704-703-1XXX 1000–1999Assigned ONVOY, LLC - NC 638E LILESVILLE NC
2019-03-05 704-850-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - NC 3235 NEW LONDON NC
2019-02-11 704-318-0XXX 0000–0999Assigned ONVOY, LLC - NC 638E MONROE NC
2019-02-11 704-318-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 MONROE NC
2019-02-11 704-318-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 MONROE NC
2019-02-11 704-318-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 MONROE NC
2019-02-11 704-445-0XXX 0000–0999Assigned ONVOY, LLC - NC 638E CHERRYVL NC
2019-02-11 704-445-8XXX 8000–8999Assigned ONVOY, LLC - NC 638E CHERRYVL NC
2019-01-31 704-336-0XXX 0000–0999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-337-1XXX 1000–1999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-337-3XXX 3000–3999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-337-4XXX 4000–4999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-343-3XXX 3000–3999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-353-5XXX 5000–5999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-519-1XXX 1000–1999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-519-2XXX 2000–2999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-558-2XXX 2000–2999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-558-5XXX 5000–5999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-559-0XXX 0000–0999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-559-1XXX 1000–1999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-559-2XXX 2000–2999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-559-3XXX 3000–3999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-565-0XXX 0000–0999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-565-1XXX 1000–1999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-565-3XXX 3000–3999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-565-4XXX 4000–4999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-565-6XXX 6000–6999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-565-7XXX 7000–7999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-565-8XXX 8000–8999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-582-4XXX 4000–4999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC
2019-01-31 704-582-5XXX 5000–5999Assigned ONVOY, LLC - NC 638E CHARLOTTE NC

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.