NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 445-200

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 445-200 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 445 blocks

Most active assignees, all time — NPA 445
CORE COMMUNICATIONS, INC. - PA 4
BANDWIDTH.COM CLEC, LLC - PA 4
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 2
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
2018-06-07 445-200-0XXX 0000–0999Assigned CORE COMMUNICATIONS, INC. - PA 3806 QUAKERTOWN PA
2018-06-07 445-200-1XXX 1000–1999Assigned CORE COMMUNICATIONS, INC. - PA 3806 QUAKERTOWN PA
2018-06-07 445-200-2XXX 2000–2999Assigned CORE COMMUNICATIONS, INC. - PA 3806 QUAKERTOWN PA
2018-10-29 445-200-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F QUAKERTOWN PA
2019-04-18 445-200-4XXX 4000–4999Assigned CORE COMMUNICATIONS, INC. - PA 3806 QUAKERTOWN PA
2019-05-08 445-200-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F QUAKERTOWN PA
2019-06-19 445-200-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F QUAKERTOWN PA
2019-01-09 445-200-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 QUAKERTOWN PA
2021-06-29 445-200-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 QUAKERTOWN PA
2021-08-10 445-200-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F QUAKERTOWN PA

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.