St. Louis (314 and 557) and Kansas City (816 and 975) are both covered by our free Missouri phone number lookup, as are 235, 417, 573, 636, and 660 across the rest of the state.
Missouri has nine area codes. St. Louis uses 314/557, Kansas City 816/975, and Columbia and Jefferson City 573/235. Springfield (417) keeps a single code.
Missouri has approximately 7.9 million active phone numbers. Cell phones are the dominant type with 6.6 million users, while traditional landlines are declining, now with approximately 300,000 connections statewide. Internet phone services account for about 1 million numbers.
Missouri phone numbers recently reported for making unwanted sales calls or robocalls:
| Phone Number | FTC Complaints | Last Reported |
|---|---|---|
| (573) 210-5968 | ||
| (816) 670-8171 | ||
| (636) 234-3231 | ||
| (816) 312-2149 | ||
| (816) 430-3343 | ||
| (816) 957-1317 | ||
| (816) 957-0922 | ||
| (816) 208-0215 | ||
| (816) 957-7007 | ||
| (573) 800-0851 |
In September 2026, Missouri residents filed 3,637 complaints to the FTC about phone numbers making unwanted calls and text messages, down 3% from the previous month.
Check unknown numbers reported by locals and find phone numbers for police, hospitals and other local services in the largest cities in Missouri.
Need an official Missouri government number, or want to check one that called you? Start with Missouri State Agencies and Phone Numbers.
The MO.gov agency page is a searchable table of Missouri state agencies with a short description, main phone number and email directory link for each. The Governor is 573-751-3222, the Attorney General 573-751-3321, Revenue 573-751-4450, Natural Resources 800-361-4827 and Transportation 888-275-6636.
These are general lines. If a caller says they're from Revenue or another agency, call the main number and ask to be put through. To reach a specific person, use the agency's email directory.
Yes. Missouri has no comprehensive consumer data privacy law. Residents have no state-level rights to opt out of or delete their information from lookup databases. Federal FCRA rules apply: using lookup results for employment, tenant, or credit screening is prohibited in every state, including Missouri.
Unwanted sales calls remain a top consumer complaint in Missouri, which is why the state runs its own No-Call list through the Attorney General's Office. You can sign up online, by mail, or by calling 1-866-662-2551 at no cost. Telemarketers who ignore the list face penalties up to $5,000 per knowing violation.
Missouri doesn't have a privacy law, but you can still ask to be removed from phone directories. Contact each site through their privacy page to request deletion.
If you are unsure about a business call, keep in mind that Missouri has over 153,767 business establishments according to Census data. To verify a specific company, use the Missouri Business Entity Search to check its registration.
Missouri has 6.6 million mobile subscriptions, 1 million VoIP numbers, and 300,000 landlines.