Area Code 406
Whitefish, Montana - Covers 548K phone records in our database
406
Whitefish
Montana
548K
About Area Code 406
Area code 406 is a telephone area code serving Whitefish and surrounding areas in Montana. Our database contains 548K phone records associated with this area code.
Area code 406 covers the following areas:
| City | State | Records |
|---|---|---|
| Whitefish | Montana | 547K |
| Waterloo | Iowa | 435 |
How to Use Area Code 406
To call a phone number with area code 406, dial 1-406-XXX-XXXX from within the United States. For international calls to this area code, dial your country's exit code followed by 1-406 and the 7-digit local number.
If you've received an unknown call from area code 406, you can use our reverse phone lookup tool to identify the caller.