NumberResearchThousands-blocks in 610-979
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
The ten 1,000-number thousand-blocks inside prefix 610-979 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 610 blocks
Most active assignees, all time — NPA 610
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-10-16 | 610-979-0XXX | 0000–0999 | Assigned | COMCAST IP PHONE, LLC | 318J | ATGLEN | PA |
| 2009-03-31 | 610-979-1XXX | 1000–1999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | ATGLEN | PA |
| 2024-09-27 | 610-979-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ATGLEN | PA |
| 2025-07-07 | 610-979-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ATGLEN | PA |
| 2026-04-06 | 610-979-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ATGLEN | PA |
| — | 610-979-5XXX | 5000–5999 | Available | ATGLEN | PA | ||
| 2016-02-22 | 610-979-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | ATGLEN | PA |
| 2017-09-01 | 610-979-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | ATGLEN | PA |
| 2012-06-06 | 610-979-8XXX | 8000–8999 | Assigned | ARMSTRONG TELECOMMUNICATIONS, INC. - PA | 422C | ATGLEN | PA |
| 2020-12-23 | 610-979-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | ATGLEN | 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.