Idaho Area Codes – List Of Area Codes And Maps

Idaho officially using 2 Idaho Area Codes. First established by AT&T and the Bell System in 1947, 208 covered the entire state of Idaho. The most recently join was 986 in 2017 as an overlay to 208. Today, 208 is the most populated with an estimated 1.8 million of the state’s 1.8 million residents.

Idaho Area Codes

Idaho Area code 208 is one of the 86 original Idaho Area Codes created by AT&T in 1947. It was Idaho’s solo area code until 2017, when 986 was added as an overlap plan for the entire state.

History And Changes In Idaho Area Codes

In 01/01/1947
Area code 208 was put into service. It Is The Only One Area Code At that Time

In 09/05/2017
When The Population Increases Area code 986 was put into service as an overlap of area code 208.

Idaho Area Codes

What Is Area Code?

Area Code Is A Three-digit code that Finds one of the telephone areas into which the U.S. and other countries are divided and that is the local telephone number when dialing a call between areas.

Why are area codes added?

Area codes are added when the current number expires. In North America, each area code has a potential capacity of about 8 million unique phone numbers. Increased use of cellular phones, modems, and Internet access may require existing telephone number resources, additional area codes may be required, According to Nestar.


Once the new area code starts being assigned, there is usually a six-month period of transition, where customers are encouraged, but not required, to use the new code, but seven-digit. Dialing is allowed. After six months, callers are required to use the appropriate area code and telephone number.

Other Area Codes

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