NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 207-560

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 207-560 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 207 blocks

Most active assignees, all time — NPA 207
PEERLESS NETWORK OF MAINE, LLC- ME 4
LEVEL 3 COMMUNICATIONS, LLC - ME 4
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ME 1
BELL ATLANTIC MOBILE, INC 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
2016-11-23 207-560-0XXX 0000–0999Assigned PEERLESS NETWORK OF MAINE, LLC- ME 925H PORTLAND ME
2016-11-23 207-560-1XXX 1000–1999Assigned PEERLESS NETWORK OF MAINE, LLC- ME 925H PORTLAND ME
2017-01-19 207-560-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ME 7777 PORTLAND ME
2017-02-01 207-560-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - ME 382D PORTLAND ME
2017-10-13 207-560-4XXX 4000–4999Assigned PEERLESS NETWORK OF MAINE, LLC- ME 925H PORTLAND ME
2017-03-01 207-560-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - ME 382D PORTLAND ME
2017-06-07 207-560-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - ME 382D PORTLAND ME
2017-06-15 207-560-7XXX 7000–7999Assigned BELL ATLANTIC MOBILE, INC 6386 PORTLAND ME
2017-08-08 207-560-8XXX 8000–8999Assigned PEERLESS NETWORK OF MAINE, LLC- ME 925H PORTLAND ME
2017-06-09 207-560-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - ME 382D PORTLAND ME

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.