Callao, Utah Area Code

Callao, UT Area Codes are


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

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

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

Utah Area Code Map