Use our free Missouri reverse phone lookup service to search any cell/mobile, landline, or VoIP number. Check whether an unknown number has been reported for making spam or robocalls in 341,815 Do Not Call and robocall complaints reported to FTC from Missouri.
St. Louis operates 314/557, Kansas City uses 816/975, Springfield has 417, Columbia runs 573, suburbs use 636. The table below shows which cities use which codes.
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.
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.
Missouri phone numbers recently reported for making unwanted sales calls or robocalls:
| Phone Number | FTC Complaints | Last Reported |
|---|---|---|
| (573) 210-5968 | ||
| (816) 670-8171 | ||
| (314) 222-0608 | ||
| (816) 312-2149 | ||
| (636) 234-3231 | ||
| (816) 430-3343 | ||
| (816) 957-0922 | ||
| (314) 384-1743 | ||
| (816) 208-0215 | ||
| (816) 957-7007 |
Look up phone numbers and browse the phone directory for the largest cities in Missouri.
If a caller claims to be from a government office in Missouri, or you need an official number, this government directory lets you check it at the source.
The MO.gov agency page is a searchable table. Type an agency name or keyword, and each row shows the agency (linked to its website), a short description, its main phone number and a link to its email directory.
Main lines include the Governor at 573-751-3222, the Attorney General at 573-751-3321, Revenue at 573-751-4450, Natural Resources at 800-361-4827 and Transportation at 888-275-6636. These are general lines. To reach a specific person, follow the agency's email directory link.
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.