NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 781-626

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 781-626 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 781 blocks

Most active assignees, all time — NPA 781
NEW CINGULAR WIRELESS PCS, LLC - DC 4
YMAX COMMUNICATIONS CORP. - MA 2
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
TERRA NOVA TELECOM INC. 1
PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 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
2005-01-25 781-626-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WEYMOUTH MA
2005-01-25 781-626-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WEYMOUTH MA
2005-01-25 781-626-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WEYMOUTH MA
2005-01-25 781-626-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WEYMOUTH MA
— 781-626-4XXX 4000–4999Reserved LEVEL 3 COMMUNICATIONS, LLC - MA 4018 WEYMOUTH MA
2005-03-08 781-626-5XXX 5000–5999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J WEYMOUTH MA
2008-02-08 781-626-6XXX 6000–6999Assigned YMAX COMMUNICATIONS CORP. - MA 316E WEYMOUTH MA
2021-09-08 781-626-7XXX 7000–7999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F WEYMOUTH MA
2009-02-04 781-626-8XXX 8000–8999Assigned YMAX COMMUNICATIONS CORP. - MA 316E WEYMOUTH MA
2021-08-26 781-626-9XXX 9000–9999Assigned TERRA NOVA TELECOM INC. 145J WEYMOUTH 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.