NumberResearchThousands-blocks in 508-562
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 508-562 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
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2007-03-05 | 508-562-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | BROCKTON | MA |
| 2007-04-06 | 508-562-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | BROCKTON | MA |
| 2006-12-06 | 508-562-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | BROCKTON | MA |
| — | 508-562-3XXX | 3000–3999 | Assigned (pending) | BROCKTON | MA | ||
| — | 508-562-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | BROCKTON | MA |
| 2020-10-01 | 508-562-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | BROCKTON | MA |
| 2020-10-01 | 508-562-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | BROCKTON | MA |
| 2007-05-04 | 508-562-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | BROCKTON | MA |
| 2005-12-01 | 508-562-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | BROCKTON | MA |
| 2015-06-01 | 508-562-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | BROCKTON | MA |
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.