Random Missouri Address Generator
These addresses are randomly generated for software testing. They are not real people’s details: the street number, unit and recipient name are invented, and no record is checked for deliverability.
Randomly generated Missouri mailing addresses for software testing, form validation and staging data. Each record pairs a real Missouri city with a ZIP prefix that serves it and the county that city sits in, then adds a street number, a secondary unit designator and a recipient name that are invented.
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 prefix-to-state assignment |
| 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 |
| State Capital | Jefferson City | US Census Bureau |
| Primary Time Zone | Central Time (America/Chicago, UTC-6 / UTC-5 DST) | IANA time zone database |
Missouri Postal Geography & Key Cities
ZIP codes and Sectional Center Facilities are derived from public USPS ZIP code data, area codes from the North American Numbering Plan, and county names from US Census Bureau records. Street numbers and recipient names are synthetic, and nothing is checked against an address-verification service.
Cities the generator draws from:
- Kansas City
- St. Louis
- Springfield
- Columbia
- Independence
Key Counties & Independent City
County and independent city boundaries determine local sales tax jurisdictions in Missouri:
- St. Louis County
- St. Louis City (Independent City)
- Jackson County
- St. Charles County
- Greene County
Missouri Area Codes (MO)
Generated phone numbers use the area codes listed in the reference table above, paired with a 555 exchange so no number can reach a real line. Generate Missouri phone numbers.
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.
Missouri Address Examples in USPS Publication 28 Format
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. 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 for Missouri use those area codes with a 555 exchange, which is reserved for fictitious use.
- 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. They use Missouri ZIP codes from public USPS data and real city names, but 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:
- Illinois Address Generator (IL)
- Kansas Address Generator (KS)
- Kentucky Address Generator (KY)
- Tennessee Address Generator (TN)
- Arkansas Address Generator (AR)
- Iowa Address Generator (IA)
Missouri ZIP Prefixes
The first three digits of a ZIP code place an address within Missouri. These are the prefixes assigned to the state:
631xx, 640xx, 641xx, 658xx
Which processing facility sorts a given prefix is set by the current USPS labeling list L005 and changes as processing is consolidated, so it is not reproduced here. Look up a ZIP prefix to see its state and generate ZIP codes inside it.
Related Postal Tools & Technical Resources
- USA Address Generator & Developer Utility Hub
- Generate Missouri Phone Numbers with Real Area Codes
- ZIP Code Lookup & Validation
- ZIP prefix lookup
- Anatomy of US Postal Addresses: USPS Standardization Rules
All 51 state address generators, grouped by region.