NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 918-564

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 918-564 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 918 blocks

Most active assignees, all time — NPA 918
NEW CINGULAR WIRELESS PCS, LLC - IL 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 3
TELEPORT COMMUNICATIONS AMERICA OK - LLC 1
OKLAHOMA WINDSTREAM, INC. 1
LEVEL 3 COMMUNICATIONS, LLC - OK 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
2018-12-24 918-564-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 POTEAU OK
2017-09-26 918-564-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 5813 POTEAU OK
2013-08-07 918-564-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - OK 5257 POTEAU OK
2020-08-11 918-564-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 5813 POTEAU OK
2019-05-30 918-564-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 POTEAU OK
2019-05-30 918-564-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 POTEAU OK
2019-06-05 918-564-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA OK - LLC 530C POTEAU OK
2015-06-30 918-564-7XXX 7000–7999Assigned OKLAHOMA WINDSTREAM, INC. 2011 POTEAU OK
2018-03-27 918-564-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 5813 POTEAU OK
2021-09-16 918-564-9XXX 9000–9999Assigned CROSS WIRELESS, L.L.C. 148G POTEAU OK

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.