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Idaho — United States

Welcome to the postal codes directory for Idaho, United States. As a prominent region in United States, Idaho contains 270 major cities indexed. Our platform provides comprehensive zip codes, neighborhood directories, and simulated local phone number generation rules for developer form testing and compliance verification.

270 Total Cities Indexed
IDAHO Region Code
🔍 Showing 270 cities

Cities

270
Aberdeen Ahsahka Albion Almo American Falls Arbon Arco Arimo Ashton Athol Atlanta Atomic City Avery Bancroft Banks Basalt Bayview Bellevue Bern Blackfoot Blanchard Bliss Bloomington Boise Bonners Ferry Bovill Bruneau Buhl Burley Calder Caldwell Cambridge Carey Careywood Carmen Cascade Castleford Cataldo Challis Chester Clark Fork Clarkia Clayton Clifton Cobalt Cocolalla Coeur D Alene Colburn Conda Coolin Corral Cottonwood Council Craigmont Culdesac Dayton Deary Declo Desmet Dietrich Dingle Donnelly Dover Downey Driggs Dubois Eagle Eastport Eden Elk City Elk River Ellis Emmett Fairfield Felt Fenn Ferdinand Fernwood Filer Firth Fish Haven Fort Hall Franklin Fruitland Fruitvale Garden City Garden Valley Genesee Geneva Georgetown Gibbonsville Glenns Ferry Gooding Grace Grand View Grangeville Greencreek Greenleaf Hagerman Hailey Hamer Hammett Hansen Harrison Harvard Hayden Hazelton Heyburn Hill City Holbrook Homedale Hope Horseshoe Bend Howe Huston Idaho City Idaho Falls Indian Valley Inkom Iona Irwin Island Park Jerome Juliaetta Kamiah Kellogg Kendrick Ketchum Kimberly King Hill Kingston Kooskia Kootenai Kuna Laclede Lake Fork Lapwai Lava Hot Springs Leadore Lemhi Lenore Letha Lewiston Lewisville Lowman Lucile Mackay Macks Inn Malad City Malta Marsing May Mccall Mccammon Medimont Melba Menan Meridian Mesa Middleton Midvale Minidoka Monteview Montpelier Moore Moreland Moscow Mountain Home Mountain Home A F B Moyie Springs Mullan Murphy Murray Murtaugh Nampa Naples New Meadows New Plymouth Newdale Nezperce Nordman North Fork Notus Oakley Ola Oldtown Orofino Osburn Paris Parker Parma Paul Payette Peck Picabo Pierce Pinehurst Pingree Placerville Plummer Pocatello Pollock Ponderay Porthill Post Falls Potlatch Preston Priest River Princeton Rathdrum Reubens Rexburg Richfield Rigby Riggins Ririe Roberts Rockland Rogerson Rupert Sagle Saint Anthony Saint Charles Saint Maries Salmon Samuels Sandpoint Santa Shelley Shoshone Shoup Silverton Smelterville Soda Springs Spalding Spencer Spirit Lake Springfield Squirrel Stanley Star Stites Sugar City Sun Valley Swan Valley Swanlake Sweet Tendoy Tensed Terreton Teton Tetonia Thatcher Troy Twin Falls Ucon Victor Viola Wallace Warren Wayan Weippe Weiser Wendell Weston White Bird Wilder Winchester Worley Yellow Pine

Frequently Asked Questions

Regional Divisions & Cities
Idaho encompasses diverse geographical zones and municipal areas. This platform indexes 270 major cities in Idaho, linking each city to its postal codes, neighborhoods, and regional phone area codes.
State-Level Telecom Infrastructure
Under the NANP system, Idaho is allocated several distinct area codes covering specific counties and metropolitan districts. Select a city to explore local dialing overlays and to generate valid mock phone patterns.
How to look up the exact postal code for a specific district or street under Idaho?
You can select the corresponding city from the list above. On the city page, we provide a complete mapping table of districts, streets/neighborhoods, and their exact postal codes. You can also use the search bar at the top to instantly locate a street or neighborhood.
What is the purpose of the zip code database and simulated phone generator for Idaho?
The database compiles all major cities and postal districts within Idaho. The tools allow developers and QA testers to generate format-compliant phone numbers to verify web forms, check localization rules, and test regional validation logic.
Are the phone numbers generated for Idaho active and real?
No, all numbers generated are simulated. They use the correct country prefix and the local area codes assigned to Idaho, but the subscriber numbers are randomly generated for software validation purposes. They cannot make or receive calls, nor can they receive SMS verification codes.
How frequently is the postal code data for Idaho updated?
Our database is regularly synced with official postal updates and open-source registry databases. While we strive to maintain high accuracy for development and testing purposes, you should always check the official national postal service for critical mailing validation.