NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 608-885

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 608-885 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 608 blocks

Most active assignees, all time — NPA 608
NEW CINGULAR WIRELESS PCS, LLC - IL 3
UNITED STATES CELLULAR - WI 2
TERRA NOVA TELECOM INC. 1
TELEPORT COMMUNICATIONS AMERICA, LLC WI 1
LEVEL 3 COMMUNICATIONS, LLC - WI 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
2016-01-14 608-885-0XXX 0000–0999Assigned UNITED STATES CELLULAR - WI 6274 LANCASTER WI
2016-07-26 608-885-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K LANCASTER WI
2020-05-15 608-885-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LANCASTER WI
2021-09-24 608-885-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LANCASTER WI
2022-04-19 608-885-4XXX 4000–4999Assigned UNITED STATES CELLULAR - WI 6274 LANCASTER WI
2025-07-21 608-885-5XXX 5000–5999Assigned TERRA NOVA TELECOM INC. 145J LANCASTER WI
2018-12-19 608-885-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC WI 7216 LANCASTER WI
2017-09-20 608-885-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LANCASTER WI
2022-12-16 608-885-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 LANCASTER WI
2025-05-05 608-885-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LANCASTER WI

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.