--- title: "Area code 208: Idaho, United States" url: "https://lookvalid.com/area-code/208.md" canonical_url: "https://lookvalid.com/area-code/208" last_updated: "2026-10-23" type: "reference" summary: "Area code 208 serves Idaho, United States. Number formats, numbering rules, a live phone validator and the other codes in Idaho." --- # Area code 208: Idaho, United States Area code 208 serves Idaho, United States. Number formats, numbering rules, a live phone validator and the other codes in Idaho. NANPA lists 785 central office codes (prefixes) in use in area code 208, held by 58 holders across 145 rate centers. Qwest holds the most prefixes, 186 (24%). 66% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 4,248 complaints on file for 3,242 numbers in 208, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 1947-01-01 - Time zone: MP - Assigned overlays: 986 (2017-09-05) - Prefixes in use: 785 - Pooled prefixes: 519 (66%) - Rate centers: 145 - Companies holding prefixes: 58 - Assignment dates on file: 2001-01-29 to 2024-06-18 (240 prefixes) - ZIP codes in its places: 151 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | BOISE | 210 | 27% | | POCATELLO | 53 | 7% | | IDAHOFALLS | 51 | 6% | | COERDALENE | 50 | 6% | | TWIN FALLS | 44 | 6% | | NAMPA | 28 | 4% | | LEWISTON | 18 | 2% | | BURLEY | 15 | 2% | | 137 other rate centers | 316 | 40% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | Qwest | 186 | 24% | | Verizon Wireless | 105 | 13% | | Ziply Fiber | 75 | 10% | | Onvoy | 63 | 8% | | New Cingular Wireless PCS | 57 | 7% | | T-Mobile USA | 47 | 6% | | 52 other carriers | 252 | 32% | A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company. ## History - 1947-01-01: Area code 208 went into service. - 2017-09-05: Area code 986 went into service as an overlay in the same area as 208. ## Nearest area codes The area codes closest to 208, measured between the centers of the ZIP code places they serve, are 509 (about 258 miles), 385 (about 295 miles), 801 (about 295 miles), 406 (about 302 miles) and 541 (about 314 miles). ## ZIP codes 151 ZIP codes fall in places that have a rate center in this area code. The places with the most are Boise, ID (28 ZIP codes), Idaho Falls, ID (7 ZIP codes) and Pocatello, ID (6 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes. ## Complaints on file 4,248 complaints for 3,242 numbers. Numbers whose latest complaint falls in each year: - 2023: 148 - 2024: 132 - 2025: 189 ## Questions ### Where is area code 208? NANPA assigns area code 208 to Idaho, United States. ### In which state does area code 208 sit? Idaho. 208 is one of 2 area codes the NANPA table assigns to the state. ### Which places does area code 208 cover? The places with the most ZIP codes among the rate centers in 208 are Boise, ID, Idaho Falls, ID and Pocatello, ID. The rate center list on this page shows all of them. ### Who owns area code 208? NANPA assigns area codes. Within 208, Qwest holds the most prefixes, 186 prefixes or 24%. ### Which time zone does 208 use? The NANPA NPA report lists the time zone for 208 as MP. ### What year did 208 enter service? The NANPA NPA report gives an in-service date of 1947-01-01, so 208 has been in use since 1947. ### Does area code 208 have an overlay? Yes. 986 (in service 2017-09-05) shares the same area with 208, so numbers from all of them are local to each other. ### Which area codes are nearest to 208? The area codes closest to 208, measured between the centers of the ZIP code places they serve, are 509 (about 258 miles), 385 (about 295 miles), 801 (about 295 miles), 406 (about 302 miles) and 541 (about 314 miles). ### How many prefixes does area code 208 have? NANPA's report dated 2026-10-17 lists 785 prefixes in service in 208, spread over 145 rate centers and 58 holders. ### Are there complaints about 208 numbers? The FCC data on file has 4,248 complaints for 3,242 numbers in 208. They are unverified consumer reports. A number with no complaints on file is not proven safe. Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).