NumberResearchThousands-blocks in 781-656
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 781-656 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 781 blocks
Most active assignees, all time — NPA 781
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 |
|---|---|---|---|---|---|---|---|
| — | 781-656-0XXX | 0000–0999 | Reserved | PAETEC ITEL, LLC | 829J | REVERE | MA |
| — | 781-656-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | REVERE | MA |
| 2006-05-19 | 781-656-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | REVERE | MA |
| 2011-11-21 | 781-656-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | REVERE | MA |
| 2011-11-21 | 781-656-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | REVERE | MA |
| 2010-01-22 | 781-656-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | REVERE | MA |
| 2011-11-21 | 781-656-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | REVERE | MA |
| 2015-05-20 | 781-656-7XXX | 7000–7999 | Assigned | HD CARRIER LLC | 321J | REVERE | MA |
| 2012-04-03 | 781-656-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | REVERE | MA |
| — | 781-656-9XXX | 9000–9999 | Available | REVERE | 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.