Biddle
Post Office
Mon-Fri 10:30am - 2:30pm, Sat 10:30am - 12:30pm, Sun Closed
Montana Post Offices
Listing data as of July 31, 2026 · Confirm on USPS.com
Montana's 45 post offices are spread across 44 towns in the fourth-largest state by area but one of the least densely populated, meaning some of these offices are separated by well over 100 miles of open highway. In a state this size, the nearest post office to a rural address is sometimes the only one for a long stretch in any direction. Browse the city list below to find yours.
Change of Address
File your address change directly with USPS to forward your mail.
Hold Mail Service
Pause mail delivery for up to 30 days, free, while you're away.
Money Orders
Money orders are a safe way to send payments through the mail. See current fees and maximum amounts.
Post Offices in Montana by City
Cities with 1–2 locations show their address and hours directly below. Cities with 3 or more show a link to see every location.
Ronald Reagan
Post Office
Mon-Fri 9:00am - 5:30pm, Sat 10:30am - 2:00pm, Sun Closed
VPO Billing
Village Post Office
Call ahead for hours
Boyd
Contract Postal Unit
Mon-Fri 8:30am - 12:30pm, Sat 8:30am - 10:30am, Sun Closed
Broadus
Post Office
Mon-Fri 8:30am - 12:30pm 1:30pm - 4:30pm, Sat-Sun Closed
Cascade
Post Office
Mon-Fri 8:30am - 12:30pm 1:30pm - 4:30pm, Sat-Sun Closed
Chester
Post Office
Mon-Fri 9:00am - 12:30pm 1:30pm - 4:15pm, Sat-Sun Closed
Clyde Park
Post Office
Mon-Fri 8:00am - 12:00pm 12:30pm - 4:15pm, Sat-Sun Closed
Conrad
Post Office
Mon-Fri 8:30am - 1:00pm 2:00pm - 5:00pm, Sat-Sun Closed
Coram
Contract Postal Unit
Mon-Fri 9:00am - 12:00pm 1:00pm - 4:00pm, Sat 9:30am - 10:30am, Sun Closed
Corvallis
Post Office
Mon-Fri 9:00am - 4:45pm, Sat 8:30am - 10:00am, Sun Closed
Culbertson
Post Office
Mon-Fri 9:00am - 1:30pm 2:30pm - 4:45pm, Sat-Sun Closed
Denton
Post Office
Mon-Fri 8:00am - 12:00pm 12:30pm - 2:30pm, Sat-Sun Closed
Divide
Post Office
Mon-Fri 8:00am - 12:00pm, Sat-Sun Closed
Dupuyer
Post Office
Mon-Fri 8:00am - 12:00pm 12:30pm - 2:30pm, Sat 9:00am - 11:00am, Sun Closed
Ekalaka
Post Office
Mon-Fri 8:00am - 12:30pm 1:00pm - 3:45pm, Sat-Sun Closed
Ennis
Post Office
Mon-Fri 9:15am - 4:15pm, Sat-Sun Closed
Flaxville
Post Office
Mon-Fri 8:00am - 12:00pm, Sat 9:00am - 10:45am, Sun Closed
Forsyth
Post Office
Mon-Fri 8:15am - 12:30pm 1:30pm - 4:45pm, Sat 9:30am - 11:30am, Sun Closed
Fromberg
Post Office
Mon-Fri 8:00am - 12:00pm 1:00pm - 3:00pm, Sat-Sun Closed
Galata
Post Office
Mon-Fri 10:30am - 12:30pm, Sat 10:30am - 12:15pm, Sun Closed
Gardiner
Post Office
Mon-Fri 7:30am - 1:15pm 2:30pm - 4:00pm, Sat-Sun Closed
Gold Creek
Contract Postal Unit
Mon-Sat 12:00pm - 2:00pm, Sun Closed
Harlem
Post Office
Mon-Fri 9:00am - 12:30pm 1:30pm - 4:30pm, Sat-Sun Closed
Havre
Post Office
Mon-Fri 8:30am - 5:00pm, Sat 9:00am - 12:00pm, Sun Closed
Helena
Post Office
Mon-Fri 8:00am - 6:00pm, Sat 9:00am - 12:00pm, Sun Closed
Huntley
Post Office
Mon-Fri 7:00am - 12:00pm 2:00pm - 4:30pm, Sat-Sun Closed
CPU Evergreen
Contract Postal Unit
Mon-Fri 9:00am - 5:00pm, Sat 9:00am - 12:00pm, Sun Closed
Kremlin
Post Office
Mon-Fri 7:30am - 11:30am, Sat 7:30am - 9:15am, Sun Closed
Lambert
Post Office
Mon-Fri 8:00am - 12:00pm 12:30pm - 2:30pm, Sat 9:30am - 11:15am, Sun Closed
Lincoln
Post Office
Mon-Fri 9:00am - 12:00pm 1:00pm - 4:30pm, Sat-Sun Closed
Malta
Post Office
Mon-Fri 9:00am - 4:30pm, Sat 9:00am - 12:00pm, Sun Closed
Mc Allister
Post Office
Mon-Fri 9:00am - 12:00pm 1:00pm - 4:00pm, Sat 8:00am - 10:00am, Sun Closed
Norris
Post Office
Mon-Fri 9:30am - 1:30pm, Sat 9:30am - 11:30am, Sun Closed
Nye
Contract Postal Unit
Mon-Sat 10:00am - 1:30pm, Sun Closed
Plains
Post Office
Mon-Fri 9:00am - 1:00pm 2:00pm - 4:30pm, Sat 9:00am - 11:30am, Sun Closed
Plevna
Post Office
Mon-Fri 7:30am - 11:30am 12:30pm - 2:30pm, Sat 8:00am - 9:30am, Sun Closed
Richey
Post Office
Mon-Fri 9:00am - 12:00pm 12:30pm - 3:30pm, Sat-Sun Closed
Sand Springs
Post Office
Mon-Fri 8:15am - 1:00pm 1:30pm - 2:45pm, Sat 8:45am - 12:15pm, Sun Closed
Shelby
Post Office
Mon-Fri 8:30am - 5:00pm, Sat 9:00am - 11:00am, Sun Closed
Somers
Post Office
Mon-Fri 7:30am - 11:00am 12:00pm - 4:00pm, Sat-Sun Closed
Sumatra
Post Office
Mon-Fri 8:00am - 12:00pm 12:30pm - 2:30pm, Sat 7:30am - 9:00am, Sun Closed
Turner
Post Office
Mon-Fri 8:00am - 12:30pm 1:30pm - 3:00pm, Sat 9:30am - 11:15am, Sun Closed
Valier
Post Office
Mon-Fri 9:00am - 12:30pm 1:30pm - 4:15pm, Sat-Sun Closed
Wisdom
Post Office
Mon-Fri 8:30am - 12:30pm 1:00pm - 3:00pm, Sat 10:30am - 12:15pm, Sun Closed
No cities match ‘’.
Helpful Guides
Missing Mail & Lost Packages
Tracking says delivered but it's not there? See where to check first, and how to file a Missing Mail search or claim.
Learn more →Certified Mail
See what Certified Mail costs, how to send it, and exactly what happens if no one's available to sign for it.
Learn more →Apply for a PO Box
PO Box sizes and pricing vary by location and demand. Compare available box sizes, check what's currently open near you, and see what's needed to apply — in person or online.
Learn more →Post Office Weekend Hours
Weekend hours vary a lot by location. See typical Saturday and Sunday patterns before you plan a trip to the post office.
Learn more →General Delivery
Need to receive mail without a fixed address? See how to address it for General Delivery and find a post office that offers it.
Learn more →Post Office Holiday Schedule
Post offices close for all federal holidays, affecting both retail service and mail delivery. See this year's full holiday schedule so you can plan ahead.
Learn more →