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Public Service Commission takes step to keep the 406 area code as only one for Montana
March 5, 2026/
Montanans love living in the “406,” but Montana could run out of 406 phone numbers by 2033.
It’s not because all the numbers will be in use by far.
Still, the clock is ticking on assigning a new second area code, and there’s no question Montanans have pride around the 406.
