IOWA · AREA CODE GUIDE
319 area code location: Cedar Rapids and Iowa City, Iowa
- Local date and time
- Central Time
Map data: HSIP (2010) · NANPA · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
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Download the 319 area code map
A printable area code 319 location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.
319 area code at a glance
- State
- Iowa
- Primary cities
- Cedar Rapids, Iowa City, and Waterloo
- Established
- Population
- Largest community: Cedar Rapids, 137,935 (2025)Not an area-code population.
- Prefixes in service
- 565 as of 13 October 2026
An area code does not show where a caller is now.
History
Country and calling code: United States (+1).
New code planned: No, as of 22 September 2026.
- : 563 split from 319
Time zone
- Central Time
- Standard time UTC−06:00
- Daylight saving time UTC−05:00
Counties and cities covered
319 numbers are issued across 137 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.
Counties of the communities we could place (the code may reach further): Linn County, Benton County, Buchanan County, Johnson County, Washington County, Black Hawk County, Bremer County, Henry County, Iowa County, Lee County, Louisa County, Van Buren County, Butler County, Jones County, Keokuk County, Tama County, Des Moines County, Fayette County, Muscatine County, Poweshiek County, Grundy County, Jefferson County, and Cedar County.
- Cedar Rapids
- Iowa City
- Waterloo
- Cedar Falls
- Burlington
- North Liberty
- Waverly
- Fort Madison
- Keokuk
- Mount Pleasant
- Washington
- Tiffin
- Independence
- Anamosa
- Oelwein
- Vinton
- Mount Vernon
- Monticello
- West Liberty
- Williamsburg
- Solon
- Hudson
- West Branch
- Fairfax
- Grundy Center
112 more communities
- Kalona
- Center Point
- Jesup
- Marengo
- Ely
- Belle Plaine
- Lisbon
- La Porte City
- Atkins
- Wapello
- Parkersburg
- Denver
- New London
- Columbus Junction
- Urbana
- Reinbeck
- Mediapolis
- Traer
- Palo
- Wellman
- Lone Tree
- Dysart
- Central City
- Shell Rock
- Clarksville
- Tripoli
- Springville
- Fairbank
- Riverside
- Aplington
- Janesville
- North English
- Winfield
- Shellsburg
- Keosauqua
- Allison
- Wayland
- Hills
- Newhall
- Swisher
- West Point
- Danville
- Readlyn
- Victor
- Dunkerton
- Winthrop
- Donnellson
- Van Horne
- Montrose
- Hazleton
- Blairstown
- Oxford
- Coggon
- Morning Sun
- Alburnett
- Walker
- Olin
- Keystone
- Quasqueton
- Brighton
- Farmington
- Richland
- Ainsworth
- Norway
- Grandview
- Plainfield
- Salem
- Birmingham
- Bonaparte
- Garrison
- Conesville
- Letts
- Brandon
- Nichols
- Crawfordsville
- Rowley
- Stockport
- Martelle
- Lockridge
- Keswick
- Ladora
- Cantril
- Clutier
- Frederika
- South English
- Oakville
- Packwood
- Elberon
- Aurora
- Olds
- Hillsboro
- Mount Auburn
- Prairieburg
- West Chester
- Millersburg
- Houghton
- Morley
- Hartwick
- Kinross
- Guernsey
- Amana
- Argyle
- Conroy
- Denmark
- Dodgeville
- Kingston
- Mount Sterling
- Mount Union
- Oran
- Primrose
- Sharon Center
- Troy Mills
Notable places in 319
| Place | Where | What it is |
|---|---|---|
| University of Iowa | 0.8 km from Iowa City | University, 32,864 12-month enrollment (2023–24) |
| University of Northern Iowa | 0.7 km from Cedar Falls | University, 10,303 12-month enrollment (2023–24) |
| The Eastern Iowa Airport | 4.9 km from Swisher | Commercial airport, 759,978 enplanements (2024) |
| Waterloo Regional Airport | 6.1 km from Cedar Falls | Commercial airport, 12,006 enplanements (2024) |
| Monticello Regional Airport | 2.2 km from Monticello | Airport |
| Herbert Hoover Presidential Library and Museum | 0.4 km from West Branch | Museum |
| Cornell College | 0.1 km from Mount Vernon | College, 1,142 12-month enrollment (2023–24) |
| Kinnick Stadium | 1.7 km from Iowa City | Stadium |
| University of Iowa Stanley Museum of Art | 1.3 km from Iowa City | Museum |
| Carver–Hawkeye Arena | 2.1 km from Iowa City | Arena |
Questions about 319
Where is the 319 area code?
319 is in Iowa. Its numbers are issued in Cedar Rapids, Iowa City, Waterloo, and 134 other communities.
What time zone is area code 319 in?
319 is in Central Time. Daylight saving time is observed.
What cities are in the 319 area code?
Cedar Rapids, Iowa City, Waterloo, Cedar Falls, and Burlington, and 132 other communities.
What state is area code 319 in?
Area code 319 is in Iowa.
What counties are covered by area code 319?
Area code 319 covers communities in Linn County, Benton County, Buchanan County, Johnson County, Washington County, Black Hawk County, Bremer County, Henry County, Iowa County, Lee County, Louisa County, Van Buren County, Butler County, Jones County, Keokuk County, Tama County, Des Moines County, Fayette County, Muscatine County, Poweshiek County, Grundy County, Jefferson County, and Cedar County.
Is 319 a toll-free area code?
No. 319 is a geographic area code. The toll-free codes are 800, 833, 844, 855, 866, 877, and 888.
Sources: NANPA area code listing, NANPA places by area code, NANPA central office code assignments, U.S. Census Bureau population estimates, OMB metropolitan area delineations. Checked .
Business phone numbers in area code 319, answered by an AI agent
A local number for Cedar Rapids, Iowa City, and Waterloo, Iowa, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.