NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 757-931

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 757-931 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 6
VERIZON VIRGINIA, INC. 1
PEERLESS NETWORK OF VIRGINIA, LLC - VA 1
ONVOY SPECTRUM, LLC 1
COMCAST IP PHONE, 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
2024-04-01 757-931-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H NWPTNWSZN3 VA
— 757-931-1XXX 1000–1999Reserved VERIZON VIRGINIA, INC. 9213 NWPTNWSZN3 VA
2025-01-06 757-931-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NWPTNWSZN3 VA
2025-01-06 757-931-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NWPTNWSZN3 VA
2025-01-06 757-931-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NWPTNWSZN3 VA
2025-01-06 757-931-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NWPTNWSZN3 VA
2018-06-12 757-931-6XXX 6000–6999Assigned PEERLESS NETWORK OF VIRGINIA, LLC - VA 275G NWPTNWSZN3 VA
2026-04-29 757-931-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NWPTNWSZN3 VA
2018-12-12 757-931-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NWPTNWSZN3 VA
2018-05-03 757-931-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J NWPTNWSZN3 VA

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.