NumberResearchThousands-blocks in 617-971
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 617-971 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 617 blocks
Most active assignees, all time — NPA 617
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 617-971-0XXX | 0000–0999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | JAMAICA PL | MA |
| — | 617-971-1XXX | 1000–1999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | JAMAICA PL | MA |
| — | 617-971-2XXX | 2000–2999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | JAMAICA PL | MA |
| — | 617-971-3XXX | 3000–3999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | JAMAICA PL | MA |
| — | 617-971-4XXX | 4000–4999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | JAMAICA PL | MA |
| 2009-12-17 | 617-971-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | JAMAICA PL | MA |
| 2011-09-21 | 617-971-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | JAMAICA PL | MA |
| 2009-10-30 | 617-971-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | JAMAICA PL | MA |
| 2010-10-18 | 617-971-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | JAMAICA PL | MA |
| — | 617-971-9XXX | 9000–9999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | JAMAICA PL | 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.