Bandwidth phone numbers
Bandwidth holds 4,805 phone prefixes in 49 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. Bandwidth 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 Bandwidth numbers are
| State | Prefixes |
|---|---|
| California | 812 |
| New York | 397 |
| Texas | 362 |
| Florida | 297 |
| Georgia | 181 |
| North Carolina | 172 |
| Ohio | 168 |
| Massachusetts | 153 |
| Virginia | 146 |
| Illinois | 145 |
| Pennsylvania | 133 |
| New Jersey | 121 |
Area codes with the most Bandwidth prefixes
47079 34757 72055 92954 46949 90947 78647 42445 66245 34645 53043 20942 97142 21341 38540 32338 98038 98438 68138 55936 41535 65735 24035 78134 31534 80532 95132 97832 64632 60131
About 98% 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.