Prefix 406-421
Area Code 406 Details
County: CUSTER
| Code | Other Cities | Timezone | County | Latitude | Longitude | Daylight Saving Time | Connection Type | NXX Created At | Zip Code | Fips | Lata | Carrier | Overlay | Rate Center | Ocn | Coverage Area | Active |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 421 | 7 | CUSTER | 46.21790000 | -105.67480000 | L | 1994-02-04 00:00:00 | 59301 | 30017 | 650 | RANGE TELEPHONE COOPERATIVE, INC. | SOMILES CY | 2251 | MILES CITY |
Phone Numbers
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