The 235 area code covers the same area as 573, including Columbia, Jefferson City and 189 more places in Missouri.
Area code 235 is in Missouri, on Central Time. In the 235 area, phone numbers are given out most in Boone County, then Cape Girardeau and Cole counties. It has been in service since March 24, 2024. 573 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Missouri, mostly Boone County, Cape Girardeau County and Cole County
- Time zone
- Central Time
- In service since
- March 24, 2024
- Shares its area with
- 573 (since 1996)
- Prefixes in use
- 41
- How to dial
- Local calls need all 10 digits: 235-555-0142.
Find out who called you from a 235 number.
Enter the full 10-digit number to see who it is listed to, the city and state on the listing, and whether it is a mobile, landline or VoIP line. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup.
Birch Tree holds 24% of the phone prefixes in area code 235.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 41 prefixes in use shows where 235 numbers are actually given out.
- Birch Tree10 prefixes, 24%
- Cape Girardeau5 prefixes, 12%
- Columbia4 prefixes, 10%
- Jefferson City3 prefixes, 7%
- Farmington2 prefixes, 5%
- Cardwell1 prefix, 2%
- Gravois Mills1 prefix, 2%
- Versailles1 prefix, 2%
Also served: Birch Tree, Fulton, Mexico and Camdenton and 179 smaller places.
Each prefix, or block of 1,000 numbers inside it, is also handed to a carrier. A number keeps its digits when its owner switches carrier, so the prefix no longer tells you who carries it today. Our free carrier lookup shows which carrier a 235 number is on now.
235 started in 2024 as an overlay on 573, and its ground has not changed since.
2024
235 starts on March 24, 2024, as an overlay on 573: new numbers on the same ground.
A 235 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 235 are 636, 314 and 618.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
These are the questions people ask most about area code 235.
Where is area code 235?
235 covers Columbia, Jefferson City, Cape Girardeau and Farmington and 187 more places in Missouri. In the 235 area, phone numbers are given out most in Boone County, then Cape Girardeau and Cole counties.
What state is area code 235 in?
Missouri. 235 is a Missouri area code on Central Time.
What cities use area code 235?
The places holding the most 235 prefixes are Columbia, Jefferson City, Cape Girardeau, Farmington, Poplar Bluff, Rolla, Hannibal and Sikeston, out of 191 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
What time zone is area code 235 in?
235 is on Central Time.
When did area code 235 start?
235 went into service on March 24, 2024, as an overlay on 573: new numbers for the same area.
Is 235 the same area as 573?
Yes. 573 (since 1996) covers the same ground as 235. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 235 number?
Local calls need all 10 digits: 235-555-0142.
Is 235 a toll-free number?
No. 235 is a regular area code for Columbia and Jefferson City in Missouri, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 235?
The closest are 636 (Saint Charles, Missouri), 314/557 (Saint Louis, Missouri), 618/730 (Collinsville, Illinois) and 417 (Springfield, Missouri), measured between the centres of each area.
Who called me from a 235 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 235 a scam?
235 is a real Missouri area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.