Post Offices in & near Firth, Idaho. Operating hours, locations, phone/fax number, services information.
Post Office in Firth, Idaho on N Main St. Operating hours, phone number, services information, and other locations.
Address: 323 N Main St, Firth, ID 83236
Phone: 208-346-6611
Fax: 208-346-6611
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
