Idaho Falls, ID Post Offices
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83401
Post Office Address Phone Hours IDAHO FALLS 605 4TH ST IDAHO FALLS, ID 83401 - 9998 208-525-2511 Mon-Fri 08:30 AM - 05:00 PM Sat-Sun Closed -
83402
Post Office Address Phone Hours EAGLE ROCK 875 N CAPITAL AVE IDAHO FALLS, ID 83402 - 9929 208-542-0837 Mon-Fri 08:30 AM - 05:00 PM Sat-Sun Closed