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USA States & Listing Area Codes

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.

Most Searched States for Area Code Listing

Mississippi
Mississippi is served by several area codes, primarily 601 and 662, with the 228 area code introduce…
Missouri
Missouri, located in the Midwestern United States, has a diverse telecommunications landscape charac…
Montana
Montana, known for its vast landscapes and rural character, is served by two primary area codes: 406…
Nebraska
Nebraska, located in the Midwestern United States, has a diverse telecommunications landscape charac…
Nevada
Nevada, the seventh-largest state in the United States by area, has a unique telecommunications land…
New Hampshire
New Hampshire, located in the New England region of the United States, is served by a single area co…
New Jersey
New Jersey, positioned in the Northeastern region of the United States, utilizes multiple area codes…
New Mexico
New Mexico, located in the southwestern United States, encompasses an area of approximately 121,590 …
New York
New York State, one of the most populous and economically significant states in the U.S., is served …
North Carolina
North Carolina is served by multiple area codes, reflecting its significant population and geographi…
North Dakota
North Dakota, located in the northern central region of the United States, has been assigned area co…
Ohio
Ohio, located in the Midwestern region of the United States, has a diverse telecommunications landsc…
  • How are area codes assigned to each state?

    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).

  • Can a state have overlapping area codes?

    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.

  • How do I find the area codes for a specific city within a state?

    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.