NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 757-990

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 757-990 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 757 blocks

Most active assignees, all time — NPA 757
NEW CINGULAR WIRELESS PCS, LLC - DC 4
TELNYX LLC 1
TELEPORT COMMUNICATIONS AMERICA, LLC - VA 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA 1
CHARTER IP ENABLED SERVICES, 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
— 757-990-0XXX 0000–0999Reserved NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TEMPERNCVL VA
— 757-990-1XXX 1000–1999Reserved NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TEMPERNCVL VA
— 757-990-2XXX 2000–2999Reserved NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TEMPERNCVL VA
2009-08-20 757-990-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA 7238 TEMPERNCVL VA
2020-06-15 757-990-4XXX 4000–4999Assigned CHARTER IP ENABLED SERVICES, LLC 792K TEMPERNCVL VA
2018-08-03 757-990-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 TEMPERNCVL VA
2016-09-27 757-990-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 TEMPERNCVL VA
2015-03-24 757-990-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J TEMPERNCVL VA
2017-03-15 757-990-8XXX 8000–8999Assigned TELNYX LLC 073H TEMPERNCVL VA
2005-01-21 757-990-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TEMPERNCVL VA

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.