Area Codes Atlas is an independent informational website created to help users find clear and useful information about US telephone area codes.
Our goal is to make area code information easy to access in one place. Visitors can search a 3-digit area code and view details such as its state or region, major cities, time zone, introduction date, overlay or related codes, and other useful dialing information.
The website also includes a complete US area code directory, allowing users to browse available area codes or quickly search for a specific code.
We aim to keep the information on Area Codes Atlas clear, organized and useful for general reference. Area code assignments and telecommunications information can change over time, so important details should be verified with the appropriate telecommunications provider or official numbering authority when necessary.
Area Codes Atlas is an independent website and is not affiliated with any telephone carrier, government agency or numbering authority.
If you have a question, notice incorrect information or would like to contact us, please use our Contact Us page.