Located in the Pacific (GMT -08:00) time zone. Area code 725 serves the state of Nevada. This area code was assigned on November 15th, 2012. On June 3rd, 2014 it went into service. 725 is a General Purpose Code. 725 service area does overlap with 702 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.