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 |
|---|---|---|---|---|---|---|
| 2016-01-14 | 912-299 | 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | UVALDA | GA |
| 2015-11-06 | 912-878 | 5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | ALAMO | GA |
| 2015-09-21 | 912-575 | 2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | FOLKSTON | GA |
| 2015-04-22 | 912-646 | 0–9 XXXall 10 · 4 holders which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | HOMERVILLE | GA |
| 2013-12-24 | 912-214 | 0–9 XXXall 10 · 3 holders which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | LUDOWICI | GA |
| 2011-11-16 | 912-457 | 0XXX1XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | GLENNVILLE | GA |
| 2010-12-08 | 912-513 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 3 holders which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | RINCON | GA |
| — | 912-487 | none assigned yet which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | HOMERVILLE | GA |
| — | 912-496 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | FOLKSTON | GA |
| — | 912-545 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | LUDOWICI | GA |
| — | 912-557 | 9XXX which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | REIDSVILLE | GA |
| — | 912-564 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | SYLVANIA | GA |
| — | 912-568 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | ALAMO | GA |
| — | 912-579 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | SCREVEN | GA |
| — | 912-586 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | ODUM | GA |
| — | 912-594 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | UVALDA | GA |
| — | 912-637 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | FARGO | GA |
| — | 912-654 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | GLENNVILLE | GA |
| — | 912-693 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | COLLINS | GA |
| — | 912-754 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | SPRINGFLD | GA |
| — | 912-826 | not yet reported which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | RINCON | GA |
| — | 912-843 | 1XXX7XXX9XXX · 3 holders which blocks → | GEORGIA WINDSTREAM, INC. | 4425 | ST GEORGE | GA |
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.