NumberResearchThousands-blocks in 772-600
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 772-600 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 772 blocks
Most active assignees, all time — NPA 772
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 772-600-0XXX | 0000–0999 | Reserved | PAETEC ITEL, LLC | 829J | STUART | FL |
| — | 772-600-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | STUART | FL |
| — | 772-600-2XXX | 2000–2999 | Reserved | PAETEC ITEL, LLC | 829J | STUART | FL |
| — | 772-600-3XXX | 3000–3999 | Reserved | PAETEC ITEL, LLC | 829J | STUART | FL |
| 2003-03-14 | 772-600-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | STUART | FL |
| 2008-06-20 | 772-600-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | STUART | FL |
| 2002-05-15 | 772-600-6XXX | 6000–6999 | Assigned | DSL INTERNET CORPORATION - FL | 9264 | STUART | FL |
| 2009-02-19 | 772-600-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | STUART | FL |
| 2010-06-07 | 772-600-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | STUART | FL |
| — | 772-600-9XXX | 9000–9999 | Reserved | PAETEC ITEL, LLC | 829J | STUART | FL |
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.