NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/22/2026
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, all time — NPA 419
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-10-25 | 419-648-1XXX | 1000–1999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | WESTMINSTR | OH |
| 2016-10-17 | 419-299-1XXX | 1000–1999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | VAN BUREN | OH |
| 2016-10-17 | 419-749-8XXX | 8000–8999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | CONVOY | OH |
| 2016-10-17 | 419-857-5XXX | 5000–5999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | NO BALTIMR | OH |
| 2016-10-11 | 419-915-5XXX | 5000–5999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | COLUMBSGRV | OH |
| 2013-02-06 | 419-741-5XXX | 5000–5999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | DELPHOS | OH |
| 2010-04-06 | 419-628-5XXX | 5000–5999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | MINSTER | OH |
| 2010-04-06 | 419-629-5XXX | 5000–5999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | NEW BREMEN | OH |
| 2010-04-06 | 419-771-1XXX | 1000–1999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | VAN WERT | OH |
| 2010-04-06 | 419-780-5XXX | 5000–5999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | WAYNESFLD | OH |
| 2010-04-06 | 419-909-5XXX | 5000–5999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | ELIDA | OH |
| 2009-07-10 | 419-763-3XXX | 3000–3999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | COLDWATER | OH |
| 2008-08-21 | 419-584-9XXX | 9000–9999 | Assigned | TSC COMMUNICATIONS, INC. - OH | 0640 | CELINA | OH |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/22/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.