NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 928-940

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 928-940 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 928 blocks

Most active assignees, all time — NPA 928
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 4
NEW CINGULAR WIRELESS PCS, LLC 3
TELNYX LLC 1
LEVEL 3 COMMUNICATIONS, LLC - AZ 1
CENTURYLINK COMMUNICATIONS, LLC 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
2009-10-07 928-940-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PINETOP AZ
2020-04-14 928-940-1XXX 1000–1999Assigned TELNYX LLC 073H PINETOP AZ
2020-06-26 928-940-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PINETOP AZ
2020-03-26 928-940-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PINETOP AZ
2021-04-27 928-940-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PINETOP AZ
2021-04-27 928-940-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PINETOP AZ
2012-09-20 928-940-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - AZ 3285 PINETOP AZ
2015-08-25 928-940-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J PINETOP AZ
2023-12-20 928-940-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PINETOP AZ
2018-03-13 928-940-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PINETOP AZ

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.