NumberResearchThousands-blocks in 508-322
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 508-322 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 508 blocks
Most active assignees, all time — NPA 508
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-04-04 | 508-322-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WAREHAM | MA |
| 2008-11-10 | 508-322-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | WAREHAM | MA |
| — | 508-322-2XXX | 2000–2999 | Available | WAREHAM | MA | ||
| 2006-04-27 | 508-322-3XXX | 3000–3999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | WAREHAM | MA |
| 2005-04-14 | 508-322-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | WAREHAM | MA |
| 2005-04-25 | 508-322-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | WAREHAM | MA |
| 2005-06-03 | 508-322-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | WAREHAM | MA |
| 2005-08-24 | 508-322-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | WAREHAM | MA |
| 2009-03-16 | 508-322-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WAREHAM | MA |
| 2014-11-18 | 508-322-9XXX | 9000–9999 | Assigned | COMCAST IP PHONE, LLC | 318J | WAREHAM | MA |
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.