NumberResearchThousands-blocks in 205-710
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 205-710 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 205 blocks
Most active assignees, all time — NPA 205
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 |
|---|---|---|---|---|---|---|---|
| 2016-06-14 | 205-710-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - AL | 072F | TUSCALOOSA | AL |
| 2016-06-14 | 205-710-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - AL | 072F | TUSCALOOSA | AL |
| 2016-05-04 | 205-710-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | TUSCALOOSA | AL |
| 2016-06-20 | 205-710-3XXX | 3000–3999 | Assigned | ONVOY, LLC - AL | 604E | TUSCALOOSA | AL |
| 2016-05-04 | 205-710-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | TUSCALOOSA | AL |
| 2016-04-06 | 205-710-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | TUSCALOOSA | AL |
| 2016-03-31 | 205-710-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - AL | 8271 | TUSCALOOSA | AL |
| 2016-06-06 | 205-710-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | TUSCALOOSA | AL |
| 2016-06-02 | 205-710-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AL | 5255 | TUSCALOOSA | AL |
| 2019-05-16 | 205-710-9XXX | 9000–9999 | Assigned | ONVOY, LLC - AL | 604E | TUSCALOOSA | AL |
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.