Idaho Area Codes 208 & 986: Complete Guide to the Gem State (2026)

📅 2026-03-07 ⏱️ 12 min read ✍️ BubblyPhone Team

Idaho area codes 208 and 986. Coverage, the 70-year single-code history, time zone split, 10-digit dialing, and calling tips for the Gem State.

For 70 years, every phone number in Idaho started with the same three digits: 208. From Boise to Bonners Ferry, one area code covered all 83,569 square miles. That changed in 2017 when the 986 overlay arrived — but 208 remains so deeply woven into Idaho's identity that residents wear it on T-shirts and tattoo it on their skin.

Idaho's Two Area Codes

208 — Original (1947), covers entire state
986 — Overlay (2017), covers entire state

Both area codes serve all of Idaho — the code doesn't indicate which city or region a number is from. 10-digit dialing has been mandatory since August 2017.

Coverage by Region

Treasure Valley (Boise, Meridian, Nampa) — ~846K metro, state capital, ~40% of all Idahoans. Magic Valley (Twin Falls, Jerome) — agricultural heartland. Eastern Idaho (Idaho Falls, Pocatello) — INL corridor. Northern Panhandle (Coeur d'Alene, Sandpoint) — Pacific Time Zone.

Time Zone Split

Idaho spans two time zones. Southern ~75% (Boise, Twin Falls, Idaho Falls) is Mountain Time. The 10 northern Panhandle counties (Coeur d'Alene, Moscow, Lewiston) are Pacific Time — one hour behind. The boundary roughly follows the Salmon River.

Is 986 a Scam Area Code?

No — 986 is a legitimate Idaho area code activated in 2017. New phone numbers are routinely assigned 986. Use our Spam Number Checker to verify suspicious numbers.

How to Call Idaho Internationally

Dial exit code + 1 + 208 (or 986) + 7-digit number. On mobile: +1-208-XXX-XXXX. Check the time zone first — northern Idaho is Pacific, southern is Mountain. Use Best Time to Call for timing info. Look up any code with our Area Code Lookup. Check our rates.