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
2012-10-18 774-481-6XXX 6000–6999Assigned TC SYSTEMS, INC. 7135 UXBRIDGE MA
2012-10-18 774-642-7XXX 7000–7999Assigned TC SYSTEMS, INC. 7135 HOLDEN MA
2012-10-12 774-345-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HOLDEN MA
2012-10-08 774-309-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WESTPORT MA
2012-10-02 774-210-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WRENTHAM MA
2012-10-02 774-244-5XXX 5000–5999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 FRAMINGHAM MA
2012-10-02 774-260-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 MIDDLEBORO MA
2012-10-02 774-296-9XXX 9000–9999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 BROCKTON MA
2012-10-02 774-305-3XXX 3000–3999Assigned METROPCS, INC. 5562 NEWBEDFORD MA
2012-10-02 774-633-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 AUBURN MA
2012-10-02 774-757-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NOBROOKFLD MA
2012-10-01 774-301-0XXX 0000–0999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 FALL RIVER MA
2012-10-01 774-301-5XXX 5000–5999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 FALL RIVER MA
2012-10-01 774-301-6XXX 6000–6999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 FALL RIVER MA
2012-09-28 774-251-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BARNSTABLE MA
2012-09-07 774-301-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FALL RIVER MA
2012-09-07 774-320-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 ROCHESTER MA
2012-09-07 774-388-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2012-09-07 774-388-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRAMINGHAM MA
2012-09-07 774-462-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 MILFORD MA
2012-08-22 774-337-0XXX 0000–0999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F BREWSTER MA
2012-08-22 774-337-1XXX 1000–1999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F BREWSTER MA
2012-08-22 774-337-6XXX 6000–6999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F BREWSTER MA
2012-08-21 774-228-8XXX 8000–8999Assigned METROPCS, INC. 5562 OSTERVILLE MA
2012-08-14 774-308-0XXX 0000–0999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-8XXX 8000–8999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-308-9XXX 9000–9999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MARLBORO MA
2012-08-14 774-369-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J MARLBORO MA
2012-08-09 774-205-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 SAGAMORE MA
2012-08-09 774-247-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E BUZZARDSBY MA
2012-08-01 774-261-4XXX 4000–4999Assigned CHARTER IP ENABLED SERVICES, LLC 792K W BOYLSTON MA
2012-08-01 774-281-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BRIDGEWTR MA
2012-07-18 774-244-9XXX 9000–9999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 FRAMINGHAM MA
2012-07-02 774-256-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J WALPOLE MA
2012-07-02 774-992-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J NEWBEDFORD MA
2012-06-26 774-437-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WORCESTER MA
2012-06-26 774-481-0XXX 0000–0999Assigned PAETEC ITEL, LLC 829J UXBRIDGE MA
2012-06-22 774-237-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J HARWICH MA
2012-06-15 774-368-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HYANNIS MA
2012-06-11 774-228-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J OSTERVILLE MA
2012-06-11 774-470-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J HYANNIS MA
2012-06-11 774-763-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J FALMOUTH MA
2012-06-08 774-296-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J BROCKTON 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.