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  5. Area Code 208

Where Is Area Code 208?

Area code 208 is found in the US state of Idaho. Servicing the entire state, area code 208 includes the city of Boise (population: 245528), and all 45 counties of Idaho.

Parts of this area code are located in the Mountain time zone, while others are in the Pacific time zone. This means that some cities in area code 208 are on the same time as Phoenix, AZ, while others are on the same time as Los Angeles, CA.

Area code 208 was brought into effect on January 1, 1947.

Map of  with area code 208 highlighted

Counties in Area Code 208

  • Ada,
  • Adams,
  • Bannock,
  • Bear Lake,
  • Benewah,
  • Bingham,
  • Blaine,
  • Boise,
  • Bonner,
  • Bonneville,
  • Boundary,
  • Butte,
  • Canyon,
  • Caribou,
  • Cassia,
  • Clearwater,
  • Custer,
  • Elmore,
  • Franklin,
  • Fremont,
  • Gem,
  • Gooding,
  • Idaho,
  • Jefferson,
  • Jerome,
  • Kootenai,
  • Latah,
  • Lemhi,
  • Lewis,
  • Lincoln,
  • Madison,
  • Minidoka,
  • Nez Perce,
  • Oneida,
  • Owyhee,
  • Payette,
  • Power,
  • Shoshone,
  • Teton,
  • Twin Falls,
  • Valley,
  • Washington.

Most Populous Cities in Area Code 208

City County City Population Time Zone
Boise Ada 245,528 MST
Nampa Canyon 107,286 MST
Idaho Falls Bonneville 103,920 MST
Meridian Ada 87,684 MST
Pocatello Bannock 78,878 MST
Caldwell Canyon 62,970 MST
Coeur d Alene Kootenai 55,902 PST
Twin Falls Twin Falls 52,928 MST
Post Falls Kootenai 38,283 PST
Rexburg Madison 35,379 MST
Lewiston Nez Perce 34,461 PST
Moscow Latah 27,905 PST
Blackfoot Bingham 26,942 MST
Kuna Ada 25,527 MST
Eagle Ada 23,748 MST
Garden City Ada 21,153 MST
Hayden Kootenai 20,547 PST
Mountain Home Elmore 20,162 MST
Jerome Jerome 19,887 MST
Rigby Jefferson 19,650 MST
Burley Cassia 17,443 MST
Sandpoint Bonner 16,908 PST
Emmett Gem 15,379 MST
Rathdrum Kootenai 14,036 PST
Rupert Minidoka 12,253 MST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last updated on July 3, 2015.