NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 918-883

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 918-883 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
T-MOBILE USA, INC. 7
NEW CINGULAR WIRELESS PCS, LLC - IL 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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
2020-05-04 918-883-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BARTLESVL OK
2020-05-04 918-883-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BARTLESVL OK
2020-08-12 918-883-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 5813 BARTLESVL OK
2019-04-15 918-883-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 BARTLESVL OK
2019-04-15 918-883-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 BARTLESVL OK
2019-04-15 918-883-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 BARTLESVL OK
2019-04-15 918-883-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 BARTLESVL OK
2019-04-15 918-883-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 BARTLESVL OK
2019-04-15 918-883-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 BARTLESVL OK
2019-04-15 918-883-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 BARTLESVL OK

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.