NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

7 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 508
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 4
PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 1
OMNIPOINT MIAMI E LICENSE, LLC 1
AHOI LLC 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
2014-08-28 508-613-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 FRANKLIN MA
2014-08-27 508-689-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J FALL RIVER MA
2014-08-26 508-419-9XXX 9000–9999Assigned ONVOY, LLC - MA 892D OSTERVILLE MA
2014-08-26 508-694-4XXX 4000–4999Assigned ONVOY, LLC - MA 892D DENNIS MA
2014-08-26 508-819-9XXX 9000–9999Assigned ONVOY, LLC - MA 892D BRIDGEWTR MA
2014-08-22 508-850-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WALPOLE MA
2014-08-21 508-810-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-08-21 508-810-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-08-21 508-810-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-08-21 508-810-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-08-21 508-810-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-08-05 508-202-6XXX 6000–6999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 FRAMINGHAM MA
2014-08-05 508-807-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J BRIDGEWTR MA
2014-07-30 508-304-6XXX 6000–6999Assigned CHARTER IP ENABLED SERVICES, LLC 792K WORCESTER MA
2014-07-30 508-556-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D WORCESTER MA
2014-07-17 508-734-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J WALPOLE MA
2014-07-02 508-834-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 FRAMINGHAM MA
2014-06-19 508-313-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 BROCKTON MA
2014-06-18 508-975-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-06-18 508-975-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-06-18 508-975-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-06-18 508-975-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-06-18 508-975-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-06-18 508-975-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-06-13 508-952-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J NORTON MA
2014-06-04 508-897-7XXX 7000–7999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 BROCKTON MA
2014-05-28 508-694-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J DENNIS MA
2014-05-27 508-918-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRANKLIN MA
2014-05-22 508-613-4XXX 4000–4999Assigned FREEDOM RING COMMUNICATIONS, LLC 8468 FRANKLIN MA
2014-05-19 508-621-9XXX 9000–9999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WESTBORO MA
2014-05-19 508-841-2XXX 2000–2999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SHREWSBURY MA
2014-05-16 508-275-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HOLLISTON MA
2014-05-16 508-594-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MANSFIELD MA
2014-05-16 508-682-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E EASTON MA
2014-04-25 508-271-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E FRAMINGHAM MA
2014-04-25 508-431-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 ATTLEBORO MA
2014-04-25 508-570-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 FRANKLIN MA
2014-04-25 508-640-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E WEBSTER MA
2014-04-25 508-686-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E HOPKINTON MA
2014-04-25 508-817-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NEWBEDFORD MA
2014-04-25 508-871-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WESTBORO MA
2014-04-25 508-970-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E MARLBORO MA
2014-04-14 508-903-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-04-14 508-903-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-04-14 508-907-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-04-14 508-907-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-03-28 508-905-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WELLFLEET MA
2014-03-28 508-907-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-03-28 508-907-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 NATICK MA
2014-03-27 508-379-8XXX 8000–8999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NO SWANSEA 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.