NumberResearchRecent thousands-block assignments
3 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, last 30 days — NPA 630
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2004-06-23 | 630-723-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | AURORA | IL |
| 2004-06-22 | 630-364-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2004-06-22 | 630-364-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2004-06-17 | 630-301-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | AURORA | IL |
| 2004-06-17 | 630-415-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | ELMHURST | IL |
| 2004-06-16 | 630-456-7XXX | 7000–7999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | WHEATON | IL |
| 2004-06-15 | 630-364-7XXX | 7000–7999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | NAPERVILLE | IL |
| 2004-06-11 | 630-348-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | GLEN ELLYN | IL |
| 2004-06-11 | 630-366-2XXX | 2000–2999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | HINSDALE | IL |
| 2004-06-11 | 630-457-2XXX | 2000–2999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | GENEVA | IL |
| 2004-06-11 | 630-482-6XXX | 6000–6999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | BATAVIA | IL |
| 2004-06-11 | 630-540-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | BARTLETT | IL |
| 2004-06-11 | 630-589-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | ELMHURST | IL |
| 2004-06-11 | 630-622-5XXX | 5000–5999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | ROSELLE | IL |
| 2004-06-11 | 630-659-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | ST CHARLES | IL |
| 2004-06-11 | 630-735-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | ITASCA | IL |
| 2004-06-11 | 630-741-7XXX | 7000–7999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | BENSENVL | IL |
| 2004-06-11 | 630-754-4XXX | 4000–4999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | LEMONT | IL |
| 2004-06-11 | 630-849-2XXX | 2000–2999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | AURORA | IL |
| 2004-06-11 | 630-883-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | ELGIN | IL |
| 2004-06-11 | 630-925-1XXX | 1000–1999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | LOMBARD | IL |
| 2004-05-28 | 630-391-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | SUGARGROVE | IL |
| 2004-05-28 | 630-391-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | SUGARGROVE | IL |
| 2004-05-25 | 630-957-0XXX | 0000–0999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | W CHICAGO | IL |
| 2004-05-25 | 630-957-1XXX | 1000–1999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | W CHICAGO | IL |
| 2004-05-25 | 630-957-2XXX | 2000–2999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | W CHICAGO | IL |
| 2004-05-25 | 630-957-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | W CHICAGO | IL |
| 2004-05-25 | 630-957-6XXX | 6000–6999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | W CHICAGO | IL |
| 2004-05-25 | 630-957-9XXX | 9000–9999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | W CHICAGO | IL |
| 2004-05-24 | 630-967-0XXX | 0000–0999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | DOWNERSGRV | IL |
| 2004-05-24 | 630-967-1XXX | 1000–1999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | DOWNERSGRV | IL |
| 2004-05-24 | 630-967-2XXX | 2000–2999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | DOWNERSGRV | IL |
| 2004-05-24 | 630-967-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | DOWNERSGRV | IL |
| 2004-05-24 | 630-967-6XXX | 6000–6999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | DOWNERSGRV | IL |
| 2004-05-24 | 630-967-9XXX | 9000–9999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | DOWNERSGRV | IL |
| 2004-05-21 | 630-849-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | AURORA | IL |
| 2004-05-21 | 630-849-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | AURORA | IL |
| 2004-05-21 | 630-849-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | AURORA | IL |
| 2004-05-21 | 630-849-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | AURORA | IL |
| 2004-05-21 | 630-849-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | AURORA | IL |
| 2004-05-21 | 630-849-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | AURORA | IL |
| 2004-05-10 | 630-364-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2004-05-10 | 630-849-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | AURORA | IL |
| 2004-05-10 | 630-849-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | AURORA | IL |
| 2004-05-06 | 630-636-2XXX | 2000–2999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | OSWEGO | IL |
| 2004-05-06 | 630-636-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | OSWEGO | IL |
| 2004-04-30 | 630-239-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | BATAVIA | IL |
| 2004-04-30 | 630-343-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | LEMONT | IL |
| 2004-04-30 | 630-383-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | OSWEGO | IL |
| 2004-04-28 | 630-550-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | BARTLETT | IL |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.