NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 703-223

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 703-223 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 703 blocks

Most active assignees, all time — NPA 703
NEW CINGULAR WIRELESS PCS, LLC - DC 4
COMCAST IP PHONE, LLC 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 2
VERIZON VIRGINIA, INC. 1
NUSO, 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
— 703-223-0XXX 0000–0999Reserved VERIZON VIRGINIA, INC. 9213 WSNGTNZN19 VA
2016-11-03 703-223-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN19 VA
2016-11-03 703-223-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN19 VA
2017-02-21 703-223-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN19 VA
2017-02-21 703-223-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN19 VA
2017-04-26 703-223-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J WSNGTNZN19 VA
2017-08-24 703-223-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 WSNGTNZN19 VA
2017-05-19 703-223-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J WSNGTNZN19 VA
2018-07-02 703-223-8XXX 8000–8999Assigned NUSO, LLC 551G WSNGTNZN19 VA
2018-09-07 703-223-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 WSNGTNZN19 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.