NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 937-419

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 937-419 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 937 blocks

Most active assignees, all time — NPA 937
BANDWIDTH.COM CLEC, LLC - OH 2
AERIAL COMMUNICATIONS, INC. 2
TSC COMMUNICATIONS, INC. - OH 1
TELEPORT COMMUNICATIONS AMERICA, LLC - OH 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 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
— 937-419-0XXX 0000–0999Reserved LEVEL 3 COMMUNICATIONS, LLC - OH 4863 SIDNEY OH
2008-12-04 937-419-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F SIDNEY OH
2006-06-15 937-419-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 7836 SIDNEY OH
2015-10-21 937-419-3XXX 3000–3999Assigned AERIAL COMMUNICATIONS, INC. 6701 SIDNEY OH
2015-01-23 937-419-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F SIDNEY OH
2009-07-10 937-419-5XXX 5000–5999Assigned TSC COMMUNICATIONS, INC. - OH 0640 SIDNEY OH
2015-10-21 937-419-6XXX 6000–6999Assigned AERIAL COMMUNICATIONS, INC. 6701 SIDNEY OH
2012-06-20 937-419-7XXX 7000–7999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 SIDNEY OH
2012-10-05 937-419-8XXX 8000–8999Assigned GOLDSTAR COMMUNICATIONS, LLC - OH 9133 SIDNEY OH
2008-07-02 937-419-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 SIDNEY OH

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.