NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

17 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2005-08-18 860-631-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 WATERTOWN CT
2005-08-18 860-640-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 WINDSOR CT
2005-08-18 860-799-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 NEWMILFORD CT
2005-08-16 860-467-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 E HAMPTON CT
2005-08-12 860-484-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 THOMASTON CT
2005-08-12 860-531-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 COLCHESTER CT
2005-08-12 860-598-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 LYME CT
2005-08-11 860-896-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 ROCKVILLE CT
2005-08-08 860-640-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J WINDSOR CT
2005-08-08 860-780-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J GLASTONBY CT
2005-08-08 860-921-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 TORRINGTON CT
2005-08-05 860-375-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J ROCKVILLE CT
2005-08-05 860-453-3XXX 3000–3999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CT 7143 CANAAN CT
2005-08-01 860-261-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J BRISTOL CT
2005-07-26 860-387-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 TORRINGTON CT
2005-07-26 860-387-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 TORRINGTON CT
2005-07-26 860-387-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 TORRINGTON CT
2005-07-26 860-483-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 WATERTOWN CT
2005-07-22 860-898-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 NEWMILFORD CT
2005-07-20 860-417-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J WATERTOWN CT
2005-07-19 860-270-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2005-07-19 860-838-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2005-07-18 860-367-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 NORWICH CT
2005-07-18 860-878-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT
2005-07-18 860-878-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT
2005-07-18 860-878-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT
2005-07-18 860-878-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT
2005-07-14 860-319-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J NORWICH CT
2005-07-11 860-516-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 BRISTOL CT
2005-06-27 860-352-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J CANTON CT
2005-06-24 860-386-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J WINDSORLKS CT
2005-06-21 860-359-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 COLUMBIA CT
2005-06-21 860-381-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 LEDYARD CT
2005-06-21 860-468-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 LEBANON CT
2005-06-21 860-469-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 WINSTED CT
2005-06-21 860-469-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 WINSTED CT
2005-06-21 860-556-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 CANTERBURY CT
2005-06-21 860-866-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 TORRINGTON CT
2005-06-21 860-866-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - CT 4800 TORRINGTON CT
2005-06-17 860-394-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J ENFIELD CT
2005-06-07 860-367-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 NORWICH CT
2005-06-06 860-877-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SOUTHINGTN CT
2005-06-01 860-816-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2005-06-01 860-816-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS, INC. - CT 6624 HARTFORD CT
2005-05-31 860-440-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J NEW LONDON CT
2005-05-31 860-822-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J NORWICH CT
2005-05-27 860-761-4XXX 4000–4999Assigned METROPCS, INC. 5562 HARTFORD CT
2005-05-27 860-761-5XXX 5000–5999Assigned METROPCS, INC. 5562 HARTFORD CT
2005-05-17 860-436-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J HARTFORD CT
2005-05-16 860-754-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MIDDLETOWN CT

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.