NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

11 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 401
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 4
ONVOY, LLC - RI 2
BANDWIDTH.COM CLEC, LLC - RI 2
TELNYX LLC 1
LEVEL 3 COMMUNICATIONS, LLC - RI 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
2019-07-09 401-328-8XXX 8000–8999Assigned COMMIO, LLC 939H PROVIDENCE RI
2019-07-09 401-515-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J NARRAGNSTT RI
2019-06-19 401-735-7XXX 7000–7999Assigned ONVOY, LLC - RI 977E PROVIDENCE RI
2019-06-05 401-324-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J NEWPORT RI
2019-05-24 401-214-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 6389 PROVIDENCE RI
2019-05-24 401-259-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 6389 PROVIDENCE RI
2019-05-24 401-283-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 6389 PROVIDENCE RI
2019-05-01 401-800-4XXX 4000–4999Assigned ONVOY, LLC - RI 977E BLOCK IS RI
2019-04-11 401-205-8XXX 8000–8999Assigned ONVOY, LLC - RI 977E PAWTUCKET RI
2019-04-11 401-279-8XXX 8000–8999Assigned ONVOY, LLC - RI 977E COVENTRY RI
2019-04-11 401-329-9XXX 9000–9999Assigned ONVOY, LLC - RI 977E NO KINGSTN RI
2019-04-11 401-341-1XXX 1000–1999Assigned ONVOY, LLC - RI 977E NEWPORT RI
2019-04-11 401-357-0XXX 0000–0999Assigned ONVOY, LLC - RI 977E WOONSOCKET RI
2019-04-11 401-409-3XXX 3000–3999Assigned ONVOY, LLC - RI 977E CAROLINA RI
2019-04-11 401-425-0XXX 0000–0999Assigned ONVOY, LLC - RI 977E CUMBLND HL RI
2019-04-11 401-563-9XXX 9000–9999Assigned ONVOY, LLC - RI 977E PROVIDENCE RI
2019-04-11 401-599-0XXX 0000–0999Assigned ONVOY, LLC - RI 977E TIVERTON RI
2019-04-11 401-604-8XXX 8000–8999Assigned ONVOY, LLC - RI 977E WESTERLY RI
2019-04-11 401-618-3XXX 3000–3999Assigned ONVOY, LLC - RI 977E CENTREDALE RI
2019-04-11 401-661-8XXX 8000–8999Assigned ONVOY, LLC - RI 977E NARRAGNSTT RI
2019-04-11 401-777-0XXX 0000–0999Assigned ONVOY, LLC - RI 977E LTLCOMPTON RI
2019-02-26 401-205-0XXX 0000–0999Assigned PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 631G PAWTUCKET RI
2019-02-01 401-710-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PASCOAG RI
2019-01-04 401-600-8XXX 8000–8999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7351 PROVIDENCE RI
2018-12-20 401-205-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J PAWTUCKET RI
2018-12-20 401-205-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J PAWTUCKET RI
2018-12-19 401-799-9XXX 9000–9999Assigned HD CARRIER LLC 321J PROVIDENCE RI
2018-12-19 401-900-0XXX 0000–0999Assigned TERRA NOVA TELECOM INC. 145J PROVIDENCE RI
2018-12-12 401-409-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 CAROLINA RI
2018-12-11 401-414-0XXX 0000–0999Assigned ONVOY, LLC - RI 977E PROVIDENCE RI
2018-12-11 401-600-0XXX 0000–0999Assigned ONVOY, LLC - RI 977E PROVIDENCE RI
2018-11-27 401-329-5XXX 5000–5999Assigned PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 631G NO KINGSTN RI
2018-11-20 401-252-0XXX 0000–0999Assigned PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 631G WARREN RI
2018-11-01 401-600-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 6389 PROVIDENCE RI
2018-10-24 401-204-8XXX 8000–8999Assigned METROPCS, INC. 5562 PAWTUCKET RI
2018-10-24 401-204-9XXX 9000–9999Assigned METROPCS, INC. 5562 PAWTUCKET RI
2018-10-24 401-992-8XXX 8000–8999Assigned PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 631G WGLOCESTER RI
2018-09-20 401-586-0XXX 0000–0999Assigned PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 631G W WARWICK RI
2018-09-20 401-618-9XXX 9000–9999Assigned PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 631G CENTREDALE RI
2018-09-19 401-414-6XXX 6000–6999Assigned METROPCS, INC. 5562 PROVIDENCE RI
2018-09-19 401-414-8XXX 8000–8999Assigned METROPCS, INC. 5562 PROVIDENCE RI
2018-09-19 401-414-9XXX 9000–9999Assigned METROPCS, INC. 5562 PROVIDENCE RI
2018-09-19 401-470-2XXX 2000–2999Assigned METROPCS, INC. 5562 PROVIDENCE RI
2018-09-19 401-470-9XXX 9000–9999Assigned METROPCS, INC. 5562 PROVIDENCE RI
2018-09-19 401-696-5XXX 5000–5999Assigned METROPCS, INC. 5562 PROVIDENCE RI
2018-09-18 401-443-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 6389 PROVIDENCE RI
2018-09-18 401-443-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 6389 PROVIDENCE RI
2018-09-18 401-479-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 6389 PROVIDENCE RI
2018-09-18 401-601-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 6389 PROVIDENCE RI
2018-09-04 401-867-2XXX 2000–2999Assigned PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 631G PROVIDENCE RI

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.