NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

2 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 781
NEW CINGULAR WIRELESS PCS, LLC - DC 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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
2013-06-20 781-471-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J DEDHAM MA
2013-06-20 781-540-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-06-20 781-540-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-06-20 781-540-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-06-20 781-540-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-06-20 781-540-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-06-20 781-666-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E SAUGUS MA
2013-06-20 781-985-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WEYMOUTH MA
2013-06-17 781-779-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J READING MA
2013-06-10 781-772-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J WELLESLEY MA
2013-06-05 781-305-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J WOBURN MA
2013-06-05 781-518-8XXX 8000–8999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 MEDFORD MA
2013-06-05 781-539-9XXX 9000–9999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 MEDFORD MA
2013-05-29 781-216-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J WALTHAM MA
2013-05-23 781-924-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J HANOVER MA
2013-05-22 781-382-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 LEXINGTON MA
2013-05-22 781-783-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 HINGHAM MA
2013-05-21 781-429-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E NEEDHAM MA
2013-05-21 781-540-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-05-21 781-540-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-05-16 781-486-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E WAKEFIELD MA
2013-05-15 781-285-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E DUXBURY MA
2013-05-15 781-872-6XXX 6000–6999Assigned FREEDOM RING COMMUNICATIONS, LLC 8468 READING MA
2013-05-07 781-320-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 DEDHAM MA
2013-05-07 781-375-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 DEDHAM MA
2013-05-01 781-587-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J WAKEFIELD MA
2013-05-01 781-629-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J REVERE MA
2013-04-25 781-418-8XXX 8000–8999Assigned PAETEC ITEL, LLC 829J BURLINGTON MA
2013-04-24 781-584-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 LYNN MA
2013-04-24 781-605-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 MALDEN MA
2013-04-24 781-670-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 READING MA
2013-04-22 781-400-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-04-22 781-400-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-04-22 781-400-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-04-22 781-465-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-04-17 781-924-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J HANOVER MA
2013-04-16 781-476-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J MARBLEHEAD MA
2013-04-15 781-923-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J COHASSET MA
2013-04-11 781-400-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEEDHAM MA
2013-04-08 781-319-8XXX 8000–8999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F MARSHFIELD MA
2013-04-08 781-343-8XXX 8000–8999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F NEEDHAM MA
2013-04-08 781-352-9XXX 9000–9999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F NORWOOD MA
2013-04-08 781-429-0XXX 0000–0999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F NEEDHAM MA
2013-04-08 781-451-0XXX 0000–0999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F WAKEFIELD MA
2013-04-08 781-463-0XXX 0000–0999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F LYNNFIELD MA
2013-04-08 781-463-8XXX 8000–8999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F LYNNFIELD MA
2013-04-08 781-486-1XXX 1000–1999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F WAKEFIELD MA
2013-04-08 781-523-0XXX 0000–0999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F WHITMAN MA
2013-04-08 781-523-8XXX 8000–8999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F WHITMAN MA
2013-04-08 781-566-8XXX 8000–8999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F MARSHFIELD 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.