Two years ago, the state's 406 area code was projected to be exhausted in 2019. Last year, the Montana Public Service Commission announced the 406-only area code would last until 2022.

Montana’s 406 area code is rapidly running out of room for new numbers and the state’s Public Service Commission has asked the Federal Communications Commission for an extension on adding ...

Some seven-digit phone numbers in Montana's 406 area code begin with 988. To prevent misdialing the 988 Lifeline, all local calls in Montana must be dialed with the area code beginning October 24.

MISSOULA, Mont. - Because Montana only has one area code – 406 -- April 6 in the Treasure State means the unofficial holiday "Montana Day." Residents around Montana celebrated Montana Day or 406 ...