AI receptionists for Missouri businesses
Yes. We build and manage AI receptionists for Missouri businesses, managed for you end to end from our studio in Kalispell, Montana. Missouri is a one-party consent state under Mo. Rev. Stat. 542.402.2(3), so a business on the call may record it without telling the caller. No Missouri statute we track requires a business's AI receptionist to announce that it is AI. Your agent answers in Central time, on the number you already have or a new local Missouri number.
Researched and written by Modern Mustard Seed in Kalispell, Montana. Rules checked October 26, 2026, each linked to the text we read.

Missouri at a glance
- Area codes
- 9
- 235 · 314 · 417 · 557 · 573 · 636 · 660 · 816 · 975
Recording a call in Missouri
Missouri is a one-party consent state. A party may record unless the purpose is criminal or tortious.
“For a person not acting under law to intercept a wire communication where such person is a party to the communication or where one of the parties to the communication has given prior consent”
- Lee v. Lee, 967 S.W.2d 82 (Mo. App. 1998): cell-to-landline calls are wire communications (annotation on the official page).
Does it have to say it is AI in Missouri?
No Missouri statute we track requires a business's AI receptionist to announce that it is AI.
The Missouri greeting we recommend
“Thanks for calling [your business]. You have reached our AI receptionist, and this call is recorded. How can I help?”
- Missouri requires neither line. Both stay in: a caller dialing from California or Washington brings an all-party rule onto the call.
9 area codes, Central time
Missouri has 9 area codes in service. The oldest, 314 and 816, date to 1947; the newest, 235, entered service on March 24, 2024. Overlays put more than one code on the same ground: 235/573, 314/557, 816/975.
- 2352024
- 3141947
- 4171950
- 5572022
- 5731996
- 6361999
- 6601997
- 8161947
- 9752023
All of the state keeps Central time. (49 CFR 71.6)
Callbacks and reminders in Missouri
RSMo 407.1076(5): 8 a.m. to 9 p.m. The federal window for sales calls is 8 a.m. to 9 p.m. at the called person’s location (47 CFR 64.1200(c)(1)), and FCC 24-17 treats an AI voice as an artificial voice.
Who licenses contractors in Missouri
Missouri issues a statewide electrical contractor license through the Office of Statewide Electrical Contractors.
15,168 construction businesses
15,168 of Missouri’s 151,475 business establishments, 10.0 percent, are in construction (Census County Business Patterns 2023).
Missouri questions
Is it legal to use an AI receptionist in Missouri?
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Yes. Missouri is a one-party consent state under Mo. Rev. Stat. 542.402.2(3), so a business on the call may record it without telling the caller. No Missouri statute we track requires a business's AI receptionist to announce that it is AI.
Does an AI receptionist have to say it is AI in Missouri?
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No Missouri statute we track requires a business's AI receptionist to announce that it is AI. Every agent we ship says it is an AI when asked.
Which area codes and time zone does an AI receptionist use in Missouri?
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Missouri has 9 area codes in service. The oldest, 314 and 816, date to 1947; the newest, 235, entered service on March 24, 2024. Overlays put more than one code on the same ground: 235/573, 314/557, 816/975. All of the state keeps Central time.
Who licenses contractors in Missouri?
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Missouri Office of Statewide Electrical Contractors (Division of Professional Registration). Missouri issues a statewide electrical contractor license through the Office of Statewide Electrical Contractors.