Missouri ZIP codes
All 1,157 ZIPs in Missouri, 63005 to 72643. Tap one on the map or in the list.
1,157
ZIP codes
6,191,989
people live in them
115
counties
122
PO Box & no-area ZIPs
Most people
All 1,157 Missouri ZIP codes
ZIP codes by county
Pick a county for its ZIP list and map. Counts include ZIPs that only partly reach into the county.
- Adair County9
- Andrew County17
- Atchison County8
- Audrain County14
- Barry County18
- Barton County8
- Bates County13
- Benton County13
- Bollinger County14
- Boone County20
- Buchanan County17
- Butler County13
- Caldwell County10
- Callaway County27
- Camden County18
- Cape Girardeau County22
- Carroll County11
- Carter County5
- Cass County18
- Cedar County10
- Chariton County12
- Christian County22
- Clark County10
- Clay County27
- Clinton County11
- Cole County10
- Cooper County14
- Crawford County13
- Dade County13
- Dallas County13
- Daviess County16
- DeKalb County10
- Dent County8
- Douglas County16
- Dunklin County15
- Franklin County23
- Gasconade County13
- Gentry County13
- Greene County32
- Grundy County7
- Harrison County13
- Henry County11
- Hickory County13
- Holt County6
- Howard County10
- Howell County13
- Iron County16
- Jackson County77
- Jasper County21
- Jefferson County28
- Johnson County19
- Knox County13
- Laclede County12
- Lafayette County16
- Lawrence County21
- Lewis County12
- Lincoln County17
- Linn County15
- Livingston County12
- Macon County15
- Madison County8
- Maries County10
- Marion County10
- McDonald County15
- Mercer County7
- Miller County17
- Mississippi County7
- Moniteau County15
- Monroe County16
- Montgomery County12
- Morgan County16
- New Madrid County17
- Newton County17
- Nodaway County18
- Oregon County12
- Osage County16
- Ozark County21
- Pemiscot County14
- Perry County10
- Pettis County16
- Phelps County14
- Pike County12
- Platte County23
- Polk County18
- Pulaski County11
- Putnam County10
- Ralls County9
- Randolph County12
- Ray County12
- Reynolds County12
- Ripley County10
- Saline County13
- Schuyler County6
- Scotland County9
- Scott County14
- Shannon County10
- Shelby County9
- St. Charles County18
- St. Clair County16
- St. Francois County16
- St. Louis County56
- St. Louis city49
- Ste. Genevieve County8
- Stoddard County14
- Stone County18
- Sullivan County13
- Taney County22
- Texas County21
- Vernon County15
- Warren County11
- Washington County16
- Wayne County15
- Webster County10
- Worth County7
- Wright County11
Questions people actually ask
How many ZIP codes are in Missouri?
1,157 ZIP codes are in use in Missouri. 1,035 cover a delivery area, and 122 are PO Box, single-building or organization ZIPs with no area of their own.
What do Missouri ZIP codes start with?
Missouri ZIP codes start with these three-digit prefixes: 630–631, 633–641, 644–658, 726. Each prefix is a mail sorting area run from one processing center.
Which Missouri ZIP code has the most people?
63376 in Saint Peters has the most residents of any Missouri ZIP, about 74,962 people in the Census Bureau’s ACS 2020–2024 estimates.
Which Missouri county has the most ZIP codes?
Jackson County touches 77 ZIP codes, the most of the 115 counties in Missouri. 463 Missouri ZIPs reach into more than one county.
Are these the official USPS ZIP code boundaries?
The map uses Census ZIP Code Tabulation Areas, the standard public stand-in for USPS delivery areas. They match for almost every home. For a mailing address, the USPS ZIP Code lookup has the final word.
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Updated 2026-11-10 · Where the data comes from