NumberResearchThousands-blocks in 781-368
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 781-368 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-02-07 | 781-368-0XXX | 0000–0999 | Assigned | ONVOY, LLC - MA | 892D | WINCHESTER | MA |
| 2023-05-23 | 781-368-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WINCHESTER | MA |
| — | 781-368-2XXX | 2000–2999 | Available | WINCHESTER | MA | ||
| 2022-11-17 | 781-368-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WINCHESTER | MA |
| — | 781-368-4XXX | 4000–4999 | Available | WINCHESTER | MA | ||
| 2014-08-12 | 781-368-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | WINCHESTER | MA |
| 2024-04-09 | 781-368-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WINCHESTER | MA |
| 2008-02-08 | 781-368-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - MA | 316E | WINCHESTER | MA |
| 2009-08-11 | 781-368-8XXX | 8000–8999 | Assigned | YMAX COMMUNICATIONS CORP. - MA | 316E | WINCHESTER | MA |
| — | 781-368-9XXX | 9000–9999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | WINCHESTER | 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.