NumberResearchThousands-blocks in 440-653
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 440-653 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 440 blocks
Most active assignees, all time — NPA 440
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 440-653-0XXX | 0000–0999 | Reserved | T-MOBILE USA, INC. | 6529 | AVON LAKE | OH |
| — | 440-653-1XXX | 1000–1999 | Reserved | T-MOBILE USA, INC. | 6529 | AVON LAKE | OH |
| 2021-09-24 | 440-653-2XXX | 2000–2999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | AVON LAKE | OH |
| — | 440-653-3XXX | 3000–3999 | Reserved | T-MOBILE USA, INC. | 6529 | AVON LAKE | OH |
| 2021-05-10 | 440-653-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | AVON LAKE | OH |
| 2010-10-08 | 440-653-5XXX | 5000–5999 | Assigned | SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE | 735E | AVON LAKE | OH |
| — | 440-653-6XXX | 6000–6999 | Reserved | T-MOBILE USA, INC. | 6529 | AVON LAKE | OH |
| — | 440-653-7XXX | 7000–7999 | Reserved | T-MOBILE USA, INC. | 6529 | AVON LAKE | OH |
| 2007-06-11 | 440-653-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | AVON LAKE | OH |
| 2006-08-14 | 440-653-9XXX | 9000–9999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | AVON LAKE | OH |
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.