NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 507-441

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

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

The ten 1,000-number thousand-blocks inside prefix 507-441 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 507 blocks

Most active assignees, all time — NPA 507
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 4
AERIAL COMMUNICATIONS, INC. 3
NEW CINGULAR WIRELESS PCS, LLC - IL 1
METROPCS, INC. 1
LEVEL 3 COMMUNICATIONS, LLC - MN 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
2022-04-05 507-441-0XXX 0000–0999Assigned AERIAL COMMUNICATIONS, INC. 6701 NEW ULM MN
2015-06-12 507-441-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 5816 NEW ULM MN
2016-08-01 507-441-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 5816 NEW ULM MN
2021-02-25 507-441-3XXX 3000–3999Assigned AERIAL COMMUNICATIONS, INC. 6701 NEW ULM MN
2018-04-25 507-441-4XXX 4000–4999Assigned METROPCS, INC. 5562 NEW ULM MN
2019-03-12 507-441-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 5816 NEW ULM MN
2022-04-05 507-441-6XXX 6000–6999Assigned AERIAL COMMUNICATIONS, INC. 6701 NEW ULM MN
2020-10-08 507-441-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - MN 5256 NEW ULM MN
2010-12-06 507-441-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEW ULM MN
2021-08-11 507-441-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 5816 NEW ULM MN

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.