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Where Is 319 Area Code?

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Database Updated: August 6, 2025
Iowa Phone Number Lookups
Where Is 319 Area Code?

Where is Area Code 319?

Area code 319 is located in the state of Iowa and serves a significant portion of the eastern part of the state. This area code covers several major cities and counties, providing essential telecommunication services to residents and businesses. The regions covered by area code 319 include:

  • Cedar Rapids
  • Iowa City
  • Waterloo
  • Cedar Falls
  • Burlington
  • Mount Pleasant

For more detailed information about the regions and services provided by area code 319, you can visit the Iowa Utilities Commission.

Iowa Utilities Commission
1375 E. Court Ave, Des Moines, IA 50319
(515) 725-7300

What time zone is 319 area code in the USA?

The 319 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 observance, refer to the National Institute of Standards and Technology.

History of the 319 Area Code

The 319 area code was established in 1947 as one of the original area codes under the North American Numbering Plan. It has undergone several changes over the years to accommodate the growing demand for telephone numbers. Notably, in 2001, area code 319 was split to create area code 563, which now serves the northeastern part of Iowa. These changes were necessary to ensure adequate numbering resources for the region's expanding population and telecommunications needs. For more historical details and administrative information, visit 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 319 Area Code?

The 319 area code serves a population of over 955,000 people. This number reflects the residents and businesses within the geographic boundaries of the area code, encompassing several urban and rural communities. For more demographic and statistical information, you can consult 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 319 Area Code Toll-Free?

The 319 area code is a geographic area code, not a toll-free number. It is designated for a specific region within Iowa and is used for local telephone services. Toll-free numbers in the United States typically begin with the prefixes 800, 888, 877, 866, 855, 844, or 833. These numbers are distinct from geographic area codes like 319. 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/

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