Post Offices in & near Ammon, Idaho. Operating hours, locations, phone/fax number, services information.
Post Office in Idaho Falls, Idaho on 4th St. Operating hours, phone number, services information, and other locations.
Address: 605 4th St, Idaho Falls, ID 83401
Phone: 208-525-2511
Fax: 208-529-5853
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
