NumberResearchThousands-blocks in 610-849
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 610-849 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 610 blocks
Most active assignees, all time — NPA 610
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 610-849-0XXX | 0000–0999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | BETHLEHEM | PA |
| — | 610-849-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | BETHLEHEM | PA |
| 2008-02-19 | 610-849-2XXX | 2000–2999 | Assigned | RCN TELECOM SERVICES OF PENNSYLVANIA, INC. | 7615 | BETHLEHEM | PA |
| 2010-04-30 | 610-849-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | BETHLEHEM | PA |
| 2007-05-16 | 610-849-4XXX | 4000–4999 | Assigned | SERVICE ELECTRIC TELEPHONE COMPANY, LLC | 8320 | BETHLEHEM | PA |
| 2006-08-08 | 610-849-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | BETHLEHEM | PA |
| 2007-10-11 | 610-849-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | BETHLEHEM | PA |
| 2009-06-19 | 610-849-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BETHLEHEM | PA |
| 2024-08-13 | 610-849-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BETHLEHEM | PA |
| — | 610-849-9XXX | 9000–9999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | BETHLEHEM | PA |
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.