Frontier phone numbers
Frontier holds 5,852 phone prefixes in 27 states and territories.
Local phone company Numbers in this prefix were assigned to a traditional local phone company.
What it means. These prefixes began with a traditional local phone company, typically serving homes and offices in a specific town. Many of the numbers have since moved to other carriers, and some now ring cell phones or internet lines.
See why the number on your screen can be faked.
Where Frontier numbers are
| State | Prefixes |
|---|---|
| California | 1,154 |
| Texas | 678 |
| Illinois | 663 |
| Florida | 623 |
| Indiana | 412 |
| New York | 378 |
| Ohio | 362 |
| West Virginia | 348 |
| Michigan | 303 |
| Wisconsin | 195 |
| Minnesota | 187 |
| North Carolina | 149 |
Area codes with the most Frontier prefixes
304341 813233 727207 585195 217189 972183 618170 815160 562158 909156 760148 309143 805140 310137 812137 740123 419115 941102 26099 98996 90389 91986 76584 71582 86378 62675 50773 95169 84562 32561
About 57% 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.