Area code 208, Telephone prefix in Idaho, US.
Area code 208 spans the entire state of Idaho, connecting cities from Boise to Idaho Falls across mountainous terrain and rural communities. This numbering region overlaps with area code 986, which was introduced in 2017 to meet growing demand.
The Federal Communications Commission established this code in 1947 as one of the original 86 telephone prefixes created for the North American Numbering Plan. It remains one of the oldest active area codes still serving the same geographic region.
The area code ties communities together across agricultural zones and technology hubs, with residents seeing these numbers as part of their local identity.
When calling within Idaho, you must dial all ten digits for local calls, even within the same city, because the region has two overlapping area codes. This requirement applies to all phone types and is important to remember when registering phone numbers.
This code serves areas beyond Idaho's borders, extending into portions of Nevada, Wyoming, Montana, and Oregon, making it one of the largest geographically dispersed area codes. This cross-border coverage developed from historical telecommunications patterns in the region.
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