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Where Is 573 Area Code?

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Database Updated: August 8, 2025
Missouri Phone Number Lookups
Where Is 573 Area Code?

Where is Area Code 573?

Area code 573 is located in the state of Missouri, serving a diverse range of regions, cities, and counties. This area code covers a significant portion of the state, providing telephone services to both urban and rural communities. Here are some of the major cities covered by area code 573:

  • Columbia
  • Jefferson City
  • Cape Girardeau
  • Hannibal
  • Rolla
  • Poplar Bluff

For more detailed information about the regions covered by area code 573, visit the Missouri Public Service Commission.

Missouri Public Service Commission
200 Madison Street, PO Box 360, Jefferson City, MO 65102-0360
Utility Consumer Hotline: (800)-392-4211
pscinfo@psc.mo.gov

What time zone is 573 area code in the USA?

The 573 area code is situated in the Central Time Zone (CT) of the United States. This time zone observes Daylight Saving Time, shifting from Central Standard Time (CST) to Central Daylight Time (CDT) during the warmer months. For accurate timekeeping and updates on daylight saving changes, refer to the National Institute of Standards and Technology.

History of the 573 Area Code

The 573 area code was established in 1996 as a result of a split from the original 314 area code. This change was necessitated by the growing demand for new telephone numbers, driven by population growth and the proliferation of mobile devices. The split allowed for a more efficient allocation of numbers across the state. For more historical details and updates on area code changes, consult the North American Numbering Plan Administrator (NANPA).

NANPA Mailing Address
One Tower Center Boulevard
Suite 800
East Brunswick, NJ 08816

NANPA Customer Support
Tel: 1-866-623-2282
Email: support@nanpa.com
Fax: 571-363-3838

How Many People Use the 573 Area Code?

The 573 area code serves a population of over 1.4 million people. This figure encompasses a wide range of communities, from bustling cities to serene rural areas, reflecting the diverse demographic landscape of the region. For more detailed demographic information, visit the U.S. Census Bureau.

U.S. Census Bureau
4600 Silver Hill Road, Washington, DC 20233
Tel: 301-763-INFO (4636) or 800-923-8282

Is the 573 Area Code Toll-Free?

The 573 area code is a geographic area code, not a toll-free number. It is designated for specific regions within Missouri and is used for standard local and long-distance calls. Toll-free numbers in the United States typically begin with prefixes such as 800, 888, 877, 866, 855, 844, and 833. For more information on toll-free numbers and their operation, refer to the Federal Communications Commission.

Federal Communications Commission
45 L Street NE, Washington, DC 20554
Tel: 1-888-CALL FCC (225-5322)
https://www.fcc.gov/

Missouri Phone Numbers
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