NumberResearchThousands-blocks in 208-510
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 208-510 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 208 blocks
Most active assignees, all time — NPA 208
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2020-03-03 | 208-510-0XXX | 0000–0999 | Assigned | AIRUS, INC. - ID | 579H | BOISE | ID |
| 2019-12-27 | 208-510-1XXX | 1000–1999 | Assigned | PROJECT MUTUAL TEL. COOP. ASSN., INC. - ID | 3816 | BOISE | ID |
| 2020-06-16 | 208-510-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BOISE | ID |
| 2020-06-16 | 208-510-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BOISE | ID |
| 2020-06-16 | 208-510-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BOISE | ID |
| 2020-10-07 | 208-510-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - ID | 192F | BOISE | ID |
| 2020-10-07 | 208-510-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - ID | 192F | BOISE | ID |
| 2020-03-23 | 208-510-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| 2020-03-23 | 208-510-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| 2021-03-10 | 208-510-9XXX | 9000–9999 | Assigned | AIRUS, INC. - ID | 579H | BOISE | ID |
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.