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Iowa currently utilizes 5 area codes. When first established by AT&T and the Bell System in 1947, 319 covered the eastern third of Iowa, 515 covered central Iowa including Des Moines, and 712 covered the western third of Iowa including Sioux City. The most recently added was 563 in 2001. Today, 319 is the most populated with an estimated 800 thousand of the state's 3 million residents.
List of Iowa area codes. Numbering plan areas of Iowa and neighboring regions. The state of Iowa is covered by five area codes. The map to the right is clickable, click on any of the area codes on the map to go to the area code for that region or use the text links below.
Area codes by City – 811 cities. Get a full list of Iowa area codes. Check out the area’s map, the current time, and area codes listed by city.
There are two lists that Wirefly provides for the area codes in Iowa. The first table below shows the most populated cities in Iowa with the area codes listed next to them. The next table shows the all the Iowa state area codes by number with the names of the city they are used in.
Find out how many area codes in Iowa including largest cities/towns covered. Copyright © 2005 - 2024 24TimeZones.com. All rights reserved.
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The 406 area code requires 4 + 10 + 6 = 20 pulses to dial. The 90 area codes created in the 5 years prior or the 5 years after area code 406 averaged 14.1 pulses indicating 406 was prioritized less than other area codes created about the same time. The 469 currently active area codes require pulses that range from 5 to 29 and average 16.3.
