Caller ID for
Area code 573
Area code 573 Columbia, Missouri
Area code 573 is in Missouri, with numbers assigned in Columbia, Jefferson City, Cape Girardeau and 177 more places. It’s 11:11 PM there now.
- State
- Missouri9 area codes in Missouri
- Time zone
- Central11:11 PM there now
- Exchanges
- 786180 places
- Overlay
- 235Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 573 is
Numbers in 573 are assigned to 180 places in 51 counties: Boone County, Callaway County, Scott County, Cole County, Cape Girardeau County, New Madrid County, plus 45 more.
No single place dominates: Columbia, the largest, has 8% of the exchanges.
- Columbia59
- Jefferson City39
- Cape Girardeau34
- Farmington16
- Poplar Bluff16
- Rolla15
- Hannibal13
- Sikeston13
- Birch Tree13
- Fulton12
- Mexico10
- Florissant8
- Camdenton8
- Dexter8
- Perryville8
- Versailles7
- Kennett7
- Jackson6
- Cuba6
- Potosi6
- Bowling Green6
- Salem6
- Fort Leonard Wood6
- Doniphan6
Phone companies in 573
786 blocks of numbers in 573 are held by 45 phone companies. The most belong to AT&T (128), AT&T Mobility (113) and Inteliquent (86).
A mix: about 27% wireless, 44% local phone and cable and 29% other carriers, including internet phone services.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
573 went into service in 1996, added to the area of 314.
235 (since 2024) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
73 new exchanges were assigned since 2021, the latest in September 2025.
Calling 573
It’s 11:11 PM Central time in 573 right now.
From elsewhere in the U.S., dial 1, 573 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
Missouri has 9 area codes: 235, 314, 417, 557, 573, 636, 660, 816 and 975.
- 636 · St. Charles, MO · about 50 mi
- 557 · St. Louis, MO · about 62 mi
- 314 · St. Louis, MO · about 62 mi
- 618 · Collinsville, IL · about 103 mi
- 730 · Centralia, IL · about 109 mi
- 417 · Springfield, MO · about 137 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 573 area code
Map of the 573 area code around Columbia, Jefferson City and Cape Girardeau, Missouri.
Cities on the map
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Questions about 573
Where is area code 573?
In Missouri, covering Columbia, Jefferson City and Cape Girardeau and other places across 51 counties.
What time zone is 573 in?
Central time. It was 11:11 PM there when this page loaded.
Is 573 an overlay?
Yes. 235 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 573 numbers?
45 companies hold blocks; the most belong to AT&T, AT&T Mobility and Inteliquent. About 27% of blocks are wireless.
Is 573 running out of numbers?
Not on record. 73 new exchanges have been assigned since 2021.