Telnyx phone numbers
Telnyx holds 600 phone prefixes in 51 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. Telnyx 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 Telnyx numbers are
| State | Prefixes |
|---|---|
| Texas | 49 |
| California | 46 |
| Florida | 35 |
| Illinois | 32 |
| Ohio | 30 |
| Virginia | 30 |
| New York | 28 |
| North Carolina | 24 |
| Tennessee | 21 |
| Pennsylvania | 19 |
| Georgia | 17 |
| Indiana | 15 |
Area codes with the most Telnyx prefixes
54010 2178 3258 3097 6677 4237 4347 3866 2086 7796 2346 5676 9376 5396 8505 6185 3205 8285 9105 9805 5855 8145 9315 8065 8305 6815 2564 4424 5304 7194
About 99% 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.