NumberResearchThousands-blocks in 630-519
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 630-519 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 630 blocks
Most active assignees, all time — NPA 630
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 630-519-0XXX | 0000–0999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | LOMBARD | IL |
| 2013-06-21 | 630-519-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | LOMBARD | IL |
| 2007-07-05 | 630-519-2XXX | 2000–2999 | Assigned | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | 8702 | LOMBARD | IL |
| — | 630-519-3XXX | 3000–3999 | Reserved | COMCAST IP PHONE, LLC | 318J | LOMBARD | IL |
| — | 630-519-4XXX | 4000–4999 | Reserved | COMCAST IP PHONE, LLC | 318J | LOMBARD | IL |
| 2014-04-23 | 630-519-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | LOMBARD | IL |
| 2014-04-23 | 630-519-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | LOMBARD | IL |
| 2013-05-31 | 630-519-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | LOMBARD | IL |
| 2013-07-29 | 630-519-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | LOMBARD | IL |
| 2016-07-22 | 630-519-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | LOMBARD | IL |
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.