NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 937-500

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 937-500 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
ONVOY, LLC - OH 5
T-MOBILE USA, INC. 2
TELEPORT COMMUNICATIONS AMERICA, LLC - OH 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 1
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
2017-10-26 937-500-0XXX 0000–0999Assigned ONVOY, LLC - OH 464C HILLSBORO OH
2021-10-22 937-500-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 HILLSBORO OH
— 937-500-2XXX 2000–2999Available HILLSBORO OH
2018-10-19 937-500-3XXX 3000–3999Assigned ONVOY, LLC - OH 464C HILLSBORO OH
2018-10-19 937-500-4XXX 4000–4999Assigned ONVOY, LLC - OH 464C HILLSBORO OH
2017-10-26 937-500-5XXX 5000–5999Assigned ONVOY, LLC - OH 464C HILLSBORO OH
2017-07-28 937-500-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 HILLSBORO OH
2021-10-19 937-500-7XXX 7000–7999Assigned ONVOY, LLC - OH 464C HILLSBORO OH
2022-01-18 937-500-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 HILLSBORO OH
2022-01-18 937-500-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 HILLSBORO 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.