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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. None of the Iowa codes are expected to need relief in the immediate future.
1955: split to give New Brunswick its own 506 area code; Newfoundland was added to the service area when it joined Canada in 1949. When 506 was created, Newfoundland was assigned to the new code along with New Brunswick. In 1962, Newfoundland received its own code, 709. 2014: overlaid by 782; 851 reserved as a third area code for the region. 903
Area code 712 is the telephone area code in the North American Numbering Plan (NANP) for the most western part of Iowa, including the cities of Spencer, Le Mars, Sioux City, Council Bluffs, Red Oak, Sheldon, Storm Lake, Carroll, Sac City, and Shenandoah. Area code 712 was one of the original three area codes for the state of Iowa established in ...
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union. Original North American area codes
Using 0 or 1 as the first digit of an area code or central office code is invalid, as is a 9 as the middle digit of an area code; these are trunk prefixes or reserved for North American Numbering Plan expansion. For example, 234 235-5678 is a
Area code 319 is a telephone area code in the North American Numbering Plan (NANP) for the southeastern and east-central parts of the U.S. state of Iowa. Major cities in the numbering plan area (NPA) include Burlington , Cedar Falls , Cedar Rapids , Oelwein , Fort Madison , Iowa City , Keokuk , Mount Pleasant , and Waterloo .
Area code 515 is a telephone area code in the North American Numbering Plan (NANP) for most of the north-central part of the U.S. state of Iowa. The numbering plan area includes Des Moines , Ames , Ankeny , Humboldt , Boone , Fort Dodge , Jefferson , Johnston , Urbandale , Algona and Indianola .