NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/21/2026
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 |
|---|---|---|---|---|---|---|
| 2024-04-26 | 724-460 | 0XXX1XXX8XXX9XXX · 2 holders which blocks → | ONVOY, LLC - PA | 547E | ELLWOOD CY | PA |
| 2024-03-21 | 724-955 | 0XXX1XXX5XXX · 2 holders which blocks → | ONVOY, LLC - PA | 547E | MONONGAHLA | PA |
| 2018-08-22 | 724-395 | 0–9 XXXall 10 · 4 holders which blocks → | ONVOY, LLC - PA | 547E | CHARLEROI | PA |
| 2008-06-11 | 724-819 | 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 6 holders which blocks → | ONVOY, LLC - PA | 547E | CLAYSVILLE | PA |
| 2008-01-10 | 724-320 | 0–9 XXXall 10 · 6 holders which blocks → | ONVOY, LLC - PA | 547E | UNIONTOWN | PA |
| — | 724-279 | 0XXX2XXX3XXX5XXX6XXX8XXX9XXX · 5 holders which blocks → | ONVOY, LLC - PA | 547E | FAYETTE CY | PA |
| — | 724-281 | 0–9 XXXall 10 · 5 holders which blocks → | ONVOY, LLC - PA | 547E | FINLEYVL | PA |
| — | 724-361 | 3XXX5XXX6XXX8XXX9XXX · 3 holders which blocks → | ONVOY, LLC - PA | 547E | MONESSEN | PA |
| — | 724-386 | 0XXX1XXX3XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | ONVOY, LLC - PA | 547E | SPRINGDALE | PA |
| — | 724-404 | 0XXX1XXX3XXX4XXX6XXX7XXX8XXX · 5 holders which blocks → | ONVOY, LLC - PA | 547E | YOUNGWOOD | PA |
| — | 724-408 | 0XXX2XXX3XXX5XXX6XXX · 4 holders which blocks → | ONVOY, LLC - PA | 547E | GLENWILLRD | PA |
| — | 724-642 | 1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | ONVOY, LLC - PA | 547E | DAWSON | PA |
| — | 724-644 | 0XXX1XXX2XXX3XXX5XXX7XXX8XXX · 5 holders which blocks → | ONVOY, LLC - PA | 547E | AVELLA | PA |
| — | 724-645 | 0XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | ONVOY, LLC - PA | 547E | PERRYOPOLS | PA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.