Charter / Spectrum phone numbers
Charter / Spectrum holds 1,691 phone prefixes in 41 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. Charter / Spectrum 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 Charter / Spectrum numbers are
| State | Prefixes |
|---|---|
| New York | 227 |
| Texas | 184 |
| Ohio | 170 |
| North Carolina | 157 |
| California | 142 |
| Wisconsin | 120 |
| Kentucky | 79 |
| South Carolina | 68 |
| Tennessee | 63 |
| Missouri | 57 |
| Michigan | 55 |
| Georgia | 35 |
Area codes with the most Charter / Spectrum prefixes
60751 31546 92043 91041 71537 33632 93732 74031 46929 51828 56728 93128 71627 43027 27026 40626 84326 60825 23424 50223 25223 58522 81221 80321 23120 60619 82819 95619 95118 63618
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.