Idaho, located in the Pacific Northwest region of the United States, is served by several area codes…
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All Area codes organized by state across the United States. This page provides a convenient, state-by-state listing allowing you to easily access and explore the area codes assigned to each state. Select any state below to view its specific area codes and related cities.
Area codes are assigned based on population density and demand within each state. Heavily populated states may have multiple area codes, while smaller or less densely populated states may have fewer. Area code assignments are managed by the North American Numbering Plan Administration (NANPA).
Yes, many states, especially those with high populations, have overlapping or “overlay” area codes within the same region. This means that multiple area codes can cover the same geographic area, allowing for additional phone numbers within a popular location.
To locate area codes for a specific city, simply select the state from the list. Each state page provides a breakdown of area codes by city, making it easy to find the information you need for any location.
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