Nuso phone numbers
Nuso holds 739 phone prefixes in 50 states and territories.
Internet / business phone carrier Numbers in this prefix were assigned to a carrier that mainly serves internet phone services, cable phone and business lines.
What it means. Nuso mainly sells internet and business phone service. Numbers like these can be rented in bulk for a low price, which is why legitimate call centers, apps and robocallers all use them. A call from this kind of prefix is not a warning by itself, but it's a reason to verify who is calling.
See why the number on your screen can be faked.
Where Nuso numbers are
| State | Prefixes |
|---|---|
| Texas | 60 |
| Illinois | 44 |
| California | 41 |
| Florida | 41 |
| New York | 38 |
| Ohio | 32 |
| Virginia | 30 |
| Pennsylvania | 28 |
| Indiana | 27 |
| North Carolina | 27 |
| Georgia | 20 |
| Tennessee | 18 |
Area codes with the most Nuso prefixes
30911 2409 4488 4478 7798 9308 6678 7018 2347 4237 8067 8267 2086 6186 5856 9296 5676 4346 2515 2565 3865 2605 8595 2185 3205 4065 8285 9105 7755 8545
About 100% of these prefixes are pooled (shared with other carriers in blocks). The carrier on any one number can differ if the owner switched carriers. Source: NANPA central office code records, 2026-10-10.