NumberResearchThousands-blocks in 480-639
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
The ten 1,000-number thousand-blocks inside prefix 480-639 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 480 blocks
Most active assignees, all time — NPA 480
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-10-29 | 480-639-0XXX | 0000–0999 | Assigned | ONVOY, LLC - AZ | 630E | PHOENIX | AZ |
| 2008-08-29 | 480-639-1XXX | 1000–1999 | Assigned | GILA LOCAL EXCHANGE CARRIER, INC. - AZ | 947E | PHOENIX | AZ |
| 2009-02-03 | 480-639-2XXX | 2000–2999 | Assigned | ONVOY, LLC - AZ | 630E | PHOENIX | AZ |
| 2009-02-03 | 480-639-3XXX | 3000–3999 | Assigned | ONVOY, LLC - AZ | 630E | PHOENIX | AZ |
| 2009-02-03 | 480-639-4XXX | 4000–4999 | Assigned | ONVOY, LLC - AZ | 630E | PHOENIX | AZ |
| 2009-02-03 | 480-639-5XXX | 5000–5999 | Assigned | ONVOY, LLC - AZ | 630E | PHOENIX | AZ |
| 2009-02-17 | 480-639-6XXX | 6000–6999 | Assigned | ONVOY, LLC - AZ | 630E | PHOENIX | AZ |
| 2009-02-06 | 480-639-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PHOENIX | AZ |
| 2009-02-06 | 480-639-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PHOENIX | AZ |
| 2009-02-06 | 480-639-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PHOENIX | AZ |
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.