Oct. 13—Beginning Oct. 24, 2021, all local calls in Montana must be dialed with the 406 area code to connect. Montana's 406 area code currently allows seven-digit dialing to complete local calls. That ...
Because Montana’s 406 area code covers the entire state, it has become synonymous with the citizenry, marketing everything from clothing lines to bands to beer.
HELENA – Don’t look now, but Montana’s 406 area code is scheduled to run out of numbers in five years — meaning our nearly 70-year status as a state with a single area code is coming to an end.
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