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Post Offices in Colorado
321 post offices in 206 cities and 58 counties · Data as of 09/23/2026
Post offices on this page
Post offices in Colorado at a glance
- With a population of 5,862,189, Colorado has 321 post offices (0.55 per 10,000 people).
- Per person, that is 33% below the national rate (0.81 per 10,000).
- Denver (22), Colorado Springs (12) and Aurora (7) have the most, 13% of the state total combined.
Find post offices by city or county
Pick a place to see its full list
·
- Denver22
- Colorado Springs12
- Aurora7
- Boulder4
- Pueblo4
- Arvada3
- Centennial3
- Fort Collins3
- Highlands Ranch3
- Lakewood3
- Loveland3
- Broomfield2
- Castle Pines2
- Englewood2
- Evergreen2
- Golden2
- Grand Junction2
- Greeley2
- Howard2
- Ken Caryl2
- Lone Tree2
- Longmont2
- Northglenn2
- Orchard City2
- Parker2
- Ridgway2
- Vail2
- Westminster2
- Wheat Ridge2
- Wiggins2
- Woodland Park2
- Aguilar1
- Air Force Academy1
- Alamosa1
- Allenspark1
- Arapahoe1
- Arboles1
- Arriba1
- Aspen1
- Aspen Park1
- Atwood1
- Ault1
- Avon1
- Basalt1
- Bayfield1
- Berthoud1
- Black Forest1
- Black Hawk1
- Blanca1
- Boone1
- Branson1
- Breckenridge1
- Brighton1
- Brush1
- Byers1
- Calhan1
- Cañon City1
- Cascade-Chipita Park1
- Castle Rock1
- Cedaredge1
- Central1
- Cheraw1
- Cheyenne Wells1
- Cimarron Hills1
- Clifton1
- Coal Creek1
- Commerce City1
- Cope1
- Cotopaxi1
- Craig1
- Crawford1
- Crested Butte1
- Crestone1
- Crook1
- Del Norte1
- Derby1
- Dillon1
- Dolores1
- Downieville-Lawson-Dumont1
- Durango1
- Eagle1
- Eckley1
- Elbert1
- Eldorado Springs1
- Empire1
- Erie1
- Estes Park1
- Florence1
- Fort Carson1
- Fort Lupton1
- Fountain1
- Franktown1
- Frisco1
- Fruita1
- Gardner1
- Georgetown1
- Gilcrest1
- Glendale1
- Glenwood Springs1
- Granby1
- Grand Lake1
- Greenwood Village1
- Gunnison1
- Gypsum1
- Haswell1
- Haxtun1
- Hayden1
- Hoehne1
- Holyoke1
- Hooper1
- Hotchkiss1
- Hugo1
- Idaho Springs1
- Idalia1
- Ignacio1
- Iliff1
- Joes1
- Kersey1
- Kim1
- Kirk1
- Kittredge1
- Kremmling1
- La Junta1
- Lafayette1
- Laporte1
- Larkspur1
- Lazear1
- Lewis1
- Limon1
- Littleton1
- Loma1
- Louisville1
- Lyons1
- Manassa1
- Mancos1
- Manitou Springs1
- Marvel1
- Matheson1
- Maybell1
- McClave1
- Mead1
- Milliken1
- Moffat1
- Monte Vista1
- Montrose1
- Morrison1
- Nederland1
- New Castle1
- Norwood1
- Nunn1
- Oak Creek1
- Ordway1
- Ouray1
- Padroni1
- Pagosa Springs1
- Palisade1
- Palmer Lake1
- Parachute1
- Parshall1
- Penrose1
- Phippsburg1
- Pierce1
- Pitkin1
- Placerville1
- Platteville1
- Pueblo West1
- Ramah1
- Raymer (New Raymer)1
- Red Cliff1
- Redvale1
- Rico1
- Rifle1
- Rockvale1
- Rocky Ford1
- Romeo1
- Roxborough Park1
- Salida1
- Security-Widefield1
- Sedalia1
- Seibert1
- Severance1
- Sheridan Lake1
- Sherrelwood1
- Silt1
- Silver Plume1
- Silverton1
- South Fork1
- Springfield1
- Steamboat Springs1
- Sterling1
- Stonegate1
- Swink1
- Tabernash1
- Thornton1
- Timnath1
- Towaoc1
- Trinidad1
- Victor1
- Walden1
- Walsenburg1
- Walsh1
- Westcliffe1
- Winter Park1
- Woody Creek1
- Wray1
- Yampa1
All post offices in Colorado
321 listed, A to Z · Page 1 of 11
- Aguilar Post OfficeZIP 81020106 E Main St, Aguilar, CO
- Air Force Academy Post OfficeZIP 808405136 Community Center Dr, United States Air Force Academy, CO
- Alamosa Post OfficeZIP 81101505 3rd St, Alamosa, CO
- Allenspark Post OfficeZIP 805107 Washington St, Allenspark, CO
- Anton Post OfficeZIP 8080125940 US Highway 36, Anton, CO
- Arapahoe Post OfficeZIP 8080216665 Michigan Ave, Arapahoe, CO
- Arboles Post OfficeZIP 8112186 County Road 982, Arboles, CO
- Arriba Post OfficeZIP 80804520 Colorado Ave, Arriba, CO
- Arvada Post OfficeZIP 800045885 Allison St, Arvada, CO
- Arvada Post OfficeZIP 800037765 Wadsworth Blvd, Arvada, CO
- Arvada Post OfficeZIP 8000414455 W 64th Ave, Arvada, CO
- Aspen Post OfficeZIP 81611235 Puppy Smith St, Aspen, CO
- Atwood Post OfficeZIP 8072216255 Front Ave, Atwood, CO
- Ault Post OfficeZIP 80610122 1st Ave, Ault, CO
- Aurora Post OfficeZIP 8001623963 E Prospect Ave, Aurora, CO
- Aurora Post OfficeZIP 800142500 S Abilene St, Aurora, CO
- Aurora Post OfficeZIP 8001716890 E Alameda Pkwy, Aurora, CO
- Aurora Post OfficeZIP 800113521 Tower Rd, Aurora, CO
- Aurora Post OfficeZIP 800121074 S Ironton St Unit D, Aurora, CO
- Avon Post OfficeZIP 81620111 W Beaver Creek Blvd, Avon, CO
- BERTHOUD Post OfficeZIP 80513425 3rd St, Berthoud, CO
- Basalt Post OfficeZIP 8162112 Midland Ave, Basalt, CO
- Bayfield Post OfficeZIP 81122145 Park St, Bayfield, CO
- Bear Valley Post OfficeZIP 802277555 W Amherst Ave, Denver, CO
- Bedrock Post OfficeZIP 814119538 Highway 90, Bedrock, CO
- Bellvue Post OfficeZIP 805125301 Rist Canyon Rd, Bellvue, CO
- Black Forest Post OfficeZIP 8090811425 Black Forest Rd, Colorado Springs, CO
- Black Hawk Post OfficeZIP 804227340 Black Hawk Blvd, Black Hawk, CO
- Blanca Post OfficeZIP 81123406 Smith St, Blanca, CO
- Boardwalk Post OfficeZIP 80525301 Boardwalk Dr, Fort Collins, CO
Frequently asked questions
- How many post offices are in Colorado?
- There are 321 post offices in Colorado in our data as of 09/23/2026.
- Which Colorado cities have the most post offices?
- Denver (22), Colorado Springs (12), Aurora (7), Boulder (4), Pueblo (4).