Missouri ZIP Codes
- ZIP codes
- 1,157
- Cities & towns
- 938
- Counties and independent cities
- 115
- Area codes
- 9
How Missouri ZIP codes are numbered
The first three digits identify the sectional center facility that processes mail for a region, so a Missouri ZIP code can be placed geographically from its prefix alone. Each row names the city holding the most codes in that prefix.
| Prefix | ZIP codes | Main area |
|---|---|---|
| 630xx | 65 | Ballwin |
| 631xx | 68 | Saint Louis |
| 633xx | 51 | Saint Charles |
| 634xx | 42 | Alexandria |
| 635xx | 33 | Atlanta |
| 636xx | 37 | Annapolis |
| 637xx | 42 | Cape Girardeau |
| 638xx | 47 | Anniston |
| 639xx | 32 | Poplar Bluff |
| 640xx | 68 | Independence |
| 641xx | 71 | Kansas City |
| 644xx | 70 | Agency |
| 645xx | 8 | Saint Joseph |
| 646xx | 55 | Altamont |
| 647xx | 47 | Adrian |
| 648xx | 38 | Joplin |
| 649xx | 1 | Kansas City |
| 650xx | 58 | Argyle |
| 651xx | 11 | Jefferson City |
| 652xx | 52 | Columbia |
| 653xx | 32 | Sedalia |
| 654xx | 29 | Rolla |
| 655xx | 33 | Jadwin |
| 656xx | 75 | Branson |
| 657xx | 75 | Macks Creek |
| 658xx | 16 | Springfield |
| 726xx | 1 | Lead Hill |
Where Missouri's communities sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Missouri cities by ZIP code count
Area codes serving Missouri
- 235 Columbia
- 314 Florissant
- 417 Springfield
- 557 Florissant
- 573 Columbia
- 636 Chesterfield
- 660 Sedalia
- 816 Kansas City
- 975 Kansas City
Scope every ZIP code recorded in Missouri. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . The map outline is a convex envelope of published places, not a state boundary.