Area code 573: where it is and who calls from it
Area code 573 is in Missouri.
Missouri (Columbia, Jefferson City, Hannibal, Cape Girardeau, Farmington, Lake of the Ozarks, Poplar Bluff, and most of eastern Missouri excluding the St. Louis metropolitan area)
| Where | Missouri |
|---|---|
| Time zone | Central Time ยท local time |
| In service since | 1996 |
| Overlay | Yes, with 235 |
| Prefixes assigned | 786 of 792 possible (99%) |
Overlay: 573 covers the same area as 235. Overlay areas use 10-digit dialing, so a seven-digit number alone won't connect, and neighbors can have different area codes.
Where 573 numbers started
Every prefix is assigned to a rate center, the local calling area it was set up in. These are the biggest in 573, with how many prefixes each has.
Plus 155 smaller rate centers.
Who holds 573 numbers
- Mobile carrier 28%
- Local phone company 37%
- Internet / business phone carrier 30%
- Phone company 5%
| Carrier | Type | Prefixes | Share |
|---|---|---|---|
| AT&T (local phone) | Local phone company | 128 | 16% |
| AT&T Mobility | Mobile carrier | 113 | 14% |
| Onvoy | Internet / business phone carrier | 91 | 12% |
| Level 3 (Lumen) | Internet / business phone carrier | 64 | 8% |
| T-Mobile (including Sprint) | Mobile carrier | 44 | 6% |
| Brightspeed Of Missouri | Local phone company | 42 | 5% |
| CenturyLink / Lumen | Local phone company | 40 | 5% |
| Verizon Wireless | Mobile carrier | 38 | 5% |
| Brightspeed Of East Missouri | Local phone company | 38 | 5% |
| Windstream Missouri | Local phone company | 36 | 5% |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number.
States served: Missouri.
Other area codes in Missouri
235 314 417 557 636 660 816 975
Got a call from 573?
An area code tells you where a number was first assigned, not where the caller is. People keep their numbers when they move, and scammers can fake any number. If you weren't expecting the call, let it go to voicemail.
If the call shows a 573 number that matches the first six digits of your own, that's often neighbor spoofing. Use the box above to check the full number.
Area code facts from the NANPA area code database (updated 10/06/2026); prefixes and carriers from NANPA's central office code records (updated 2026-10-10). Place description adapted from Wikipedia, CC BY-SA 4.0.