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 774
NEW CINGULAR WIRELESS PCS, LLC - DC 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 3
OMNIPOINT MIAMI E LICENSE, LLC 2
PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 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
2013-01-18 774-412-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-18 774-412-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-18 774-412-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-18 774-412-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-18 774-412-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-18 774-412-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-18 774-412-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-18 774-412-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-15 774-388-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2013-01-09 774-336-1XXX 1000–1999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F BREWSTER MA
2013-01-09 774-336-4XXX 4000–4999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F BREWSTER MA
2013-01-02 774-304-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D STURBRIDGE MA
2013-01-02 774-305-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEWBEDFORD MA
2013-01-02 774-567-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 DOVER MA
2013-01-02 774-721-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2013-01-02 774-721-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2012-12-19 774-294-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J FALL RIVER MA
2012-12-18 774-357-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J FALL RIVER MA
2012-12-18 774-357-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J FALL RIVER MA
2012-12-18 774-357-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J FALL RIVER MA
2012-12-13 774-315-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D WALPOLE MA
2012-12-13 774-326-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D WAREHAM MA
2012-12-12 774-228-7XXX 7000–7999Assigned ONVOY, LLC - MA 892D OSTERVILLE MA
2012-12-12 774-234-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D RUTLAND MA
2012-12-12 774-260-6XXX 6000–6999Assigned ONVOY, LLC - MA 892D MIDDLEBORO MA
2012-12-12 774-298-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D OAKHAM MA
2012-12-12 774-316-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D ORLEANS MA
2012-12-12 774-320-6XXX 6000–6999Assigned ONVOY, LLC - MA 892D ROCHESTER MA
2012-12-12 774-469-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D MEDFIELD MA
2012-12-12 774-993-0XXX 0000–0999Assigned ONVOY, LLC - MA 892D MILLIS MA
2012-12-11 774-233-9XXX 9000–9999Assigned ONVOY, LLC - MA 892D HOLLISTON MA
2012-12-11 774-310-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D EDGARTOWN MA
2012-12-07 774-502-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WORCESTER MA
2012-12-05 774-247-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BUZZARDSBY MA
2012-12-05 774-301-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FALL RIVER MA
2012-11-12 774-223-8XXX 8000–8999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 BROCKTON MA
2012-11-09 774-361-9XXX 9000–9999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 OSTERVILLE MA
2012-11-05 774-992-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEWBEDFORD MA
2012-11-02 774-228-0XXX 0000–0999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 OSTERVILLE MA
2012-11-02 774-256-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WALPOLE MA
2012-10-26 774-223-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J BROCKTON MA
2012-10-26 774-305-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J NEWBEDFORD MA
2012-10-18 774-228-6XXX 6000–6999Assigned TC SYSTEMS, INC. 7135 OSTERVILLE MA
2012-10-18 774-251-6XXX 6000–6999Assigned TC SYSTEMS, INC. 7135 BARNSTABLE MA
2012-10-18 774-255-6XXX 6000–6999Assigned TC SYSTEMS, INC. 7135 FALMOUTH MA
2012-10-18 774-282-6XXX 6000–6999Assigned TC SYSTEMS, INC. 7135 SOUTHGATE MA
2012-10-18 774-333-6XXX 6000–6999Assigned TC SYSTEMS, INC. 7135 NANTUCKET MA
2012-10-18 774-352-6XXX 6000–6999Assigned TC SYSTEMS, INC. 7135 DENNIS MA
2012-10-18 774-450-8XXX 8000–8999Assigned TC SYSTEMS, INC. 7135 W BOYLSTON MA
2012-10-18 774-469-6XXX 6000–6999Assigned TC SYSTEMS, INC. 7135 MEDFIELD MA

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.