NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

17 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 860
ONVOY, LLC - CT 12
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 2
PEERLESS NETWORK OF CONNECTICUT, LLC - CT 1
OMNIPOINT COMMUNICATIONS, INC. - CT 1
BANDWIDTH.COM CLEC, LLC - CT 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
2011-04-14 860-630-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 PUTNAM CT
2011-04-14 860-631-6XXX 6000–6999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 WATERTOWN CT
2011-04-14 860-662-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 ESSEX CT
2011-04-14 860-771-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 WILLIMNTIC CT
2011-04-14 860-795-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 HARWINTON CT
2011-04-14 860-880-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 THOMASTON CT
2011-04-14 860-891-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 MOODUS CT
2011-04-14 860-952-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - CT 199F HARTFORD CT
2011-04-13 860-337-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 COLUMBIA CT
2011-04-13 860-374-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 DEEP RIVER CT
2011-04-13 860-421-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 CANTON CT
2011-04-13 860-467-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 E HAMPTON CT
2011-04-13 860-498-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 COVENTRY CT
2011-04-13 860-531-6XXX 6000–6999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 COLCHESTER CT
2011-04-13 860-556-5XXX 5000–5999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 CANTERBURY CT
2011-04-13 860-671-6XXX 6000–6999Assigned SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 9147 CORNWALL CT
2011-04-05 860-952-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT
2011-03-17 860-387-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 TORRINGTON CT
2011-03-17 860-387-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 TORRINGTON CT
2011-03-17 860-717-1XXX 1000–1999Assigned METROPCS, INC. 5562 NEWMILFORD CT
2011-03-16 860-962-0XXX 0000–0999Assigned METROPCS, INC. 5562 ENFIELD CT
2011-03-16 860-962-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 ENFIELD CT
2011-03-14 860-352-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CT 199F CANTON CT
2011-03-14 860-381-7XXX 7000–7999Assigned METROPCS, INC. 5562 LEDYARD CT
2011-03-14 860-497-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - CT 199F NOTHOMPSON CT
2011-03-14 860-554-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CT 199F HADDAM CT
2011-03-14 860-598-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CT 199F LYME CT
2011-03-14 860-910-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEW LONDON CT
2011-03-14 860-910-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEW LONDON CT
2011-03-11 860-897-0XXX 0000–0999Assigned METROPCS, INC. 5562 HARTFORD CT
2011-03-11 860-897-1XXX 1000–1999Assigned METROPCS, INC. 5562 HARTFORD CT
2011-03-11 860-897-2XXX 2000–2999Assigned METROPCS, INC. 5562 HARTFORD CT
2011-03-11 860-897-3XXX 3000–3999Assigned METROPCS, INC. 5562 HARTFORD CT
2011-03-11 860-897-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2011-03-11 860-897-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2011-03-11 860-897-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2011-03-11 860-897-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2011-03-11 860-897-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2011-03-11 860-897-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2011-03-09 860-797-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 NEWBRITAIN CT
2011-03-09 860-797-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 NEWBRITAIN CT
2011-03-09 860-797-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 NEWBRITAIN CT
2011-03-09 860-797-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 NEWBRITAIN CT
2011-03-09 860-797-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 NEWBRITAIN CT
2011-03-09 860-797-7XXX 7000–7999Assigned METROPCS, INC. 5562 NEWBRITAIN CT
2011-03-09 860-797-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 NEWBRITAIN CT
2011-03-09 860-845-3XXX 3000–3999Assigned METROPCS, INC. 5562 BRISTOL CT
2011-03-09 860-845-4XXX 4000–4999Assigned METROPCS, INC. 5562 BRISTOL CT
2011-03-07 860-856-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J HARTFORD CT
2011-03-07 860-924-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT

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.