NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 910-604

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 910-604 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 910 blocks

Most active assignees, all time — NPA 910
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6
BANDWIDTH.COM CLEC, LLC - NC 2
METROPCS, INC. 1
LEVEL 3 COMMUNICATIONS, LLC - NC 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
— 910-604-0XXX 0000–0999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CASTLEHAYN NC
— 910-604-1XXX 1000–1999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CASTLEHAYN NC
— 910-604-2XXX 2000–2999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CASTLEHAYN NC
— 910-604-3XXX 3000–3999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CASTLEHAYN NC
— 910-604-4XXX 4000–4999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CASTLEHAYN NC
2015-03-03 910-604-5XXX 5000–5999Assigned METROPCS, INC. 5562 CASTLEHAYN NC
2011-04-07 910-604-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - NC 998E CASTLEHAYN NC
2011-10-26 910-604-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - NC 3235 CASTLEHAYN NC
— 910-604-8XXX 8000–8999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 CASTLEHAYN NC
2014-04-09 910-604-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - NC 998E CASTLEHAYN NC

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.