NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

2 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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
2013-03-25 781-691-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E LYNN MA
2013-03-25 781-773-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E HULL MA
2013-03-18 781-309-4XXX 4000–4999Assigned IP HORIZON LLC 515J LYNN MA
2013-03-18 781-460-5XXX 5000–5999Assigned IP HORIZON LLC 515J WOBURN MA
2013-03-18 781-518-2XXX 2000–2999Assigned IP HORIZON LLC 515J MEDFORD MA
2013-03-15 781-251-1XXX 1000–1999Assigned IP HORIZON LLC 515J DEDHAM MA
2013-03-15 781-262-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D BURLINGTON MA
2013-03-01 781-386-0XXX 0000–0999Assigned ONVOY, LLC - MA 892D WALTHAM MA
2013-03-01 781-386-1XXX 1000–1999Assigned ONVOY, LLC - MA 892D WALTHAM MA
2013-03-01 781-386-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D WALTHAM MA
2013-03-01 781-386-3XXX 3000–3999Assigned ONVOY, LLC - MA 892D WALTHAM MA
2013-03-01 781-386-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D WALTHAM MA
2013-02-26 781-386-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J WALTHAM MA
2013-02-26 781-731-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J LYNN MA
2013-02-22 781-460-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WOBURN MA
2013-02-21 781-806-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 SHARON MA
2013-02-12 781-206-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NORWELL MA
2013-01-30 781-250-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WALTHAM MA
2013-01-30 781-473-4XXX 4000–4999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-30 781-473-7XXX 7000–7999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-30 781-506-5XXX 5000–5999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-30 781-785-6XXX 6000–6999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-30 781-785-7XXX 7000–7999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-30 781-815-6XXX 6000–6999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-30 781-815-7XXX 7000–7999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-30 781-824-2XXX 2000–2999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-30 781-824-3XXX 3000–3999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 RANDOLPH MA
2013-01-23 781-310-0XXX 0000–0999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-1XXX 1000–1999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-2XXX 2000–2999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-3XXX 3000–3999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-4XXX 4000–4999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-5XXX 5000–5999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-6XXX 6000–6999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-7XXX 7000–7999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-8XXX 8000–8999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-310-9XXX 9000–9999Assigned VERIZON NEW ENGLAND INC. 9102 DEDHAM MA
2013-01-23 781-996-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J WALTHAM MA
2013-01-15 781-691-1XXX 1000–1999Assigned METROPCS, INC. 5562 LYNN MA
2013-01-11 781-428-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E BRAINTREE MA
2013-01-09 781-435-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J STONEHAM MA
2013-01-08 781-365-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J BURLINGTON MA
2013-01-02 781-234-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 DEDHAM MA
2012-12-21 781-333-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MALDEN MA
2012-12-21 781-460-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WOBURN MA
2012-12-12 781-253-5XXX 5000–5999Assigned ONVOY, LLC - MA 892D SHARON MA
2012-12-11 781-374-8XXX 8000–8999Assigned ONVOY, LLC - MA 892D HINGHAM MA
2012-12-06 781-362-8XXX 8000–8999Assigned PAETEC ITEL, LLC 829J BURLINGTON MA
2012-12-06 781-425-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J BURLINGTON MA
2012-12-06 781-960-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 MEDFORD MA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.