To find information on a specific area code, use the area code lookup that makes it easy to find an area code by number and gives detailed information including city/state, timezone, and area code maps.

To faciltiate the millions of phone users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas. Based around major …

The U.S. state of Illinois is divided into ten distinct geographic numbering plan areas in the North American Numbering Plan (NANP), which are assigned a total of seventeen area codes.

Find information on each area code, including coverage area, local dialing instructions, area code map and list of cities within each telephone area code. Other relevant telephone area codes information is …

Browse a complete list of area codes and look up area codes by city, state, or map. Reverse lookup areas codes by phone number and auto-detect your own area code by location.

Jan 10, 1996 · List of all area codes in Des Plaines, IL. Des Plaines, IL area code map, list, and phone lookup.

Jan 21, 2026 · They are usually used to distinguish telephone areas while making calls. Furthermore, each area code has unique digits for specific areas. This helps the phone networks to accurately …

All phone area codes in the Illinois with major cities covered

Area code lookup for US cities and an area codes locator to find the location of area codes. Complete area code list for the US and Canada.

Jan 2, 2025 · Below are the list Illinois state area codes by city and county listed by alphabetical order. Find Illinois area codes by city or lookup which cities belong to an area code.