NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 360-819

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 360-819 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 360 blocks

Most active assignees, all time — NPA 360
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 4
T-MOBILE USA, INC. 2
PEERLESS NETWORK OF WASHINGTON, LLC - WA 1
NEW CINGULAR WIRELESS PCS, LLC 1
METROPCS, INC. 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
2014-09-18 360-819-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2014-10-16 360-819-1XXX 1000–1999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F OLYMPIA WA
2014-10-17 360-819-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 OLYMPIA WA
2014-09-18 360-819-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2014-12-19 360-819-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J OLYMPIA WA
2015-02-05 360-819-5XXX 5000–5999Assigned METROPCS, INC. 5562 OLYMPIA WA
2015-05-12 360-819-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2015-05-12 360-819-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2014-11-20 360-819-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 OLYMPIA WA
2014-10-02 360-819-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 OLYMPIA WA

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.