Random Missouri Address Generator

Missouri ZIP codes span the 630xx–658xx range (63001 – 65899) across 114 counties and 1 independent city with 9 active telephone area codes (235, 314, 417, 557, etc.).

Generate a realistic, USPS Publication 28-compliant random Missouri address with authentic postal routing, real ZIP codes, and local area codes. Featuring verified ZIP prefix coverage across 630xx–658xx, realistic street grids from Kansas City and St. Louis, official area codes (235, 314, 417, 557), and accurate county assignments. Engineered specifically for QA automation, form validation, and software testing.

Official Missouri Postal & Geographic Reference Specifications

Geographic & Postal Parameter Official State Specification Standardization Reference
Postal State Abbreviation MO USPS Publication 28 & ISO 3166-2:US
5-Digit ZIP Prefix Range 630xx–658xx USPS Sectional Center Facilities (SCFs)
5-Digit ZIP Numeric Span 63001 – 65899 Lowest to highest active postal delivery codes
Administrative Jurisdictions 114 Counties & City US Census Bureau regional boundaries
Active Area Codes (NANPA) 235, 314, 417, 557, 573, 636, 660, 816, 975 (9 total) North American Numbering Plan Administrator
Capital & Distribution Centers Jefferson City (Capital), Kansas City, St. Louis, Springfield Primary municipal carrier distribution hubs
Primary Time Zone Central Time (America/Chicago, UTC-6 / UTC-5 DST) Regional postal dispatch & timestamp alignment
Authoritative Validation Source Missouri Public Service Commission & NANPA Official state regulatory authority

Missouri Postal Geography & Key Cities

State Capital: Jefferson City | Postal Code: MO | Counties & City: 114 Counties + St. Louis City | ZIP Prefix Range: 630xx–658xx

Verified Data Authority: Missouri Public Service Commission & NANPA

Major municipal distribution centers:

  • Kansas City
  • St. Louis
  • Springfield
  • Columbia
  • Independence

Key Counties & Independent City

County and independent city boundaries dictate local sales tax jurisdictions and carrier route groupings across Missouri:

  • St. Louis County
  • St. Louis City (Independent City)
  • Jackson County
  • St. Charles County
  • Greene County

Real Missouri Area Codes (MO)

9 active numbering plan area (NPA) codes serving 114 jurisdictions across Missouri.

Active North American Numbering Plan area codes: 235, 314, 417, 557, 573, 636, 660, 816, 975

Postal Delivery Standards & Format Nuances in Missouri

  • Independent City of St. Louis is completely independent from St. Louis County (FIPS 29510), alongside Missouri's unique Lettered State Route highway system (e.g., 'State Route CC', 'Hwy J').
  • Dual-state Kansas City postal overlap bridging Jackson, Clay, and Platte counties.

Standard USPS Publication 28 Test Examples for Missouri

Residential Delivery Point:
100 Main St, Apt 4B
Kansas City, MO 64101-1204

Commercial / Multi-Unit Delivery Point:
Missouri Logistics & Software Corp
500 Enterprise Way, Suite 300
St. Louis, MO 63101-4810

Frequently Asked Questions about Missouri Addresses

What ZIP codes does Missouri use for mail and package delivery?

Missouri (MO) operates within the 5-digit ZIP prefix range 630xx–658xx, covering numeric postal codes from 63001 – 65899. Mail routed to state capital Jefferson City and key regional centers such as Kansas City, St. Louis, Springfield adheres to these official USPS boundaries.

Which telephone area codes are valid for Missouri?

Missouri is served by 9 active North American Numbering Plan (NANPA) area codes: 235, 314, 417, 557, 573, 636, 660, 816, 975. Synthetic telephone numbers generated for Missouri reflect these verified regional area code assignments across state jurisdictions.

How many counties and independent cities are in Missouri?

Missouri is divided into 114 counties plus the independent city of St. Louis (115 primary administrative jurisdictions), including major regions such as St. Louis County, St. Louis City (Independent City), Jackson County, St. Charles County. St. Louis City is not part of St. Louis County — they are separate jurisdictions — so a generated address in the city carries St. Louis City rather than St. Louis County.

What postal formatting conventions and addressing quirks are unique to Missouri?

Independent City of St. Louis is completely independent from St. Louis County (FIPS 29510), alongside Missouri's unique Lettered State Route highway system (e.g., 'State Route CC', 'Hwy J'). Dual-state Kansas City postal overlap bridging Jackson, Clay, and Platte counties. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.

Are the Missouri addresses generated on this page real places?

No. All street numbers, recipient names, and telephone numbers generated for Missouri are entirely synthetic and randomized for software testing, database seed scripts, and form validation. While they use authentic Missouri ZIP codes (630xx–658xx), real city names (Kansas City, St. Louis), and verified area codes (235, 314), they do not correspond to real individuals or private residences.

Nearby & Bordering States

Explore test address generators for states sharing a geographic border with MO:

Missouri ZIP Prefixes and Sectional Center Facilities

Mail addressed to Missouri is sorted through the processing facilities below before local delivery. The first three digits of a ZIP code identify which one, so the prefix alone places an address within the state.

ZIP prefixSectional Center FacilityCounty
631xxSt. LouisSt. Louis City
640xxIndependence / Jackson CountyJackson County
641xxKansas CityJackson County
658xxSpringfieldGreene County

These 4 prefixes cover the 630xx–658xx range. Look up any ZIP prefix to see its facility and generate valid ZIP codes inside it.

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