NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 959-900

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 959-900 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 959 blocks

Most active assignees, all time — NPA 959
TELEPORT COMMUNICATIONS AMERICA, LLC - CT 2
ONVOY, LLC - CT 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 2
TERRA NOVA TELECOM INC. 1
PEERLESS NETWORK OF CONNECTICUT, 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
2018-12-20 959-900-0XXX 0000–0999Assigned TERRA NOVA TELECOM INC. 145J HARTFORD CT
2019-05-09 959-900-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J HARTFORD CT
2023-08-29 959-900-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT
2023-08-29 959-900-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 6388 HARTFORD CT
2021-10-27 959-900-4XXX 4000–4999Assigned PEERLESS NETWORK OF CONNECTICUT, LLC - CT 539F HARTFORD CT
2020-09-24 959-900-5XXX 5000–5999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CT 7143 HARTFORD CT
2019-05-01 959-900-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CT 7143 HARTFORD CT
2019-09-16 959-900-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HARTFORD CT
2019-05-16 959-900-8XXX 8000–8999Assigned ONVOY, LLC - CT 639C HARTFORD CT
2019-05-16 959-900-9XXX 9000–9999Assigned ONVOY, LLC - CT 639C 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.