Altonah, Utah Area Code

Altonah, UT Area Codes are


Altonah, UT is officially utilizing one area code which is area code 435.

In addition to Altonah, UT area code information read more about area code 435 details and Utah area codes.

Altonah, UT is located in Duchesne County and observes the Mountain Time Zone. View our Times by Area Code tool.

Utah Area Code Map