NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026
The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2013-08-16 | 812-814 | 0–9 XXXall 10 · 4 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | TERREHAUTE | IN |
| 2012-08-03 | 812-612 | 0–9 XXXall 10 · 5 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | MCUTCHANVL | IN |
| 2012-07-12 | 812-832 | 0XXX1XXX2XXX4XXX7XXX8XXX9XXX · 6 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | SCOTTSBURG | IN |
| 2012-07-06 | 812-913 | 0–9 XXXall 10 · 5 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | NEW ALBANY | IN |
| 2011-05-27 | 812-777 | 0–9 XXXall 10 · 5 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | EVANSVILLE | IN |
| 2008-12-29 | 812-570 | 0–9 XXXall 10 · 5 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | SALEM | IN |
| 2008-02-28 | 812-920 | 0–9 XXXall 10 · 4 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | NEW ALBANY | IN |
| 2007-08-28 | 812-903 | 0–9 XXXall 10 · 4 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | GALENA | IN |
| 2006-05-08 | 812-909 | 6XXX7XXX8XXX9XXX · 3 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | EVANSVILLE | IN |
| 2002-08-13 | 812-725 | 0–9 XXXall 10 · 2 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | NEW ALBANY | IN |
| 2002-08-13 | 812-748 | 0–9 XXXall 10 · 7 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | SELLERSBG | IN |
| 2002-08-13 | 812-796 | 0–9 XXXall 10 · 2 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | CHARLESTN | IN |
| 2002-04-15 | 812-643 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | MT VERNON | IN |
| 2002-04-04 | 812-635 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | PRINCETON | IN |
| 2002-04-04 | 812-641 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | BOONVILLE | IN |
| — | 812-303 | not yet reported which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | EVANSVILLE | IN |
| — | 812-615 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | FORTBRANCH | IN |
| — | 812-624 | 1XXX4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | ST JOSEPH | IN |
| — | 812-625 | 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | ST PHILIP | IN |
| — | 812-626 | 2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | MCUTCHANVL | IN |
| — | 812-917 | 0–9 XXXall 10 · 4 holders which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | TERREHAUTE | IN |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.