573 Area Code — Missouri
573 is a North American Numbering Plan area code for Missouri, the United States. It covers about 1,177,656 people in 312 towns and 336 ZIP codes, including Columbia, Jefferson City and Cape Girardeau.
| Field | Value |
|---|---|
| Area code | 573 |
| Country | United States (+1) |
| State / province | Missouri |
| Type | Standalone (no other NANP code covers the same towns) |
| Time zone | Central |
| Population covered | 1,177,656 |
| Towns covered | 312 |
| ZIP codes | 336 |
| Approx. centre | 37.899, -91.059 |
Where area code 573 is used
Area code 573 is assigned to Missouri, the United States, inside the North American Numbering Plan. Numbers in the code are written (573) NXX-XXXX at home and +1 573 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Towns and cities in area code 573
The 312 towns below are the largest in the 573 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| Columbia | Boone County | 159,304 | 10 |
| Jefferson City | Cole County | 69,938 | 11 |
| Cape Girardeau | Cape Girardeau County | 47,546 | 3 |
| Poplar Bluff | Butler County | 35,324 | 2 |
| Rolla | Phelps County | 32,714 | 3 |
| Farmington | St. Francois County | 29,263 | 1 |
| Jackson | Cape Girardeau County | 27,629 | 1 |
| Fulton | Callaway County | 22,579 | 1 |
| Sikeston | Scott County | 22,027 | 1 |
| Hannibal | Marion County | 21,489 | 1 |
| Bonne Terre | St. Francois County | 16,416 | 1 |
| Park Hills | St. Francois County | 16,389 | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| Boone County | 17 |
| Cole County | 15 |
| Cape Girardeau County | 14 |
| Dunklin County | 13 |
| New Madrid County | 13 |
| Wayne County | 12 |
| Scott County | 11 |
| Stoddard County | 10 |
| Pike County | 9 |
| Audrain County | 9 |
| Iron County | 9 |
| Pemiscot County | 9 |
Nearby area codes
How to dial area code 573
- Within North America: 573 + 7-digit number (573-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 573, then the 7-digit number — for example 00 1 573 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 573?
573 is a North American Numbering Plan area code assigned to Missouri, the United States. It covers about 1,177,656 people in 312 towns.
Is 573 a US or Canadian area code?
573 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 573 in?
Area code 573 is in the Central time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.