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USA Cities & Listing Area Codes

Welcome to our directory of area codes by city across the United States. This page allows you to quickly locate the area code for any U.S. city, providing an easy reference for those looking to identify or verify phone codes. Browse through the cities listed below to find detailed area code information tailored to each location.

USA Cities & Area Codes

Warren (MI)

Warren (MI)

Warren, Michigan, located in Macomb County, is the third largest city in the state, with a populatio…

Warren (OH)

Warren (OH)

Warren, Ohio, located in Trumbull County, has a rich history shaped by its industrial roots and dive…

Wasco (CA)

Wasco (CA)

Wasco, California, located in Kern County, is a city with a rich agricultural heritage and a populat…

Washington (DC)

Washington (DC)

Washington, D.C., the capital of the United States, serves as a pivotal center for government, polit…

Watauga (TX)

Watauga (TX)

Watauga, Texas, is a city located in Tarrant County, part of the Dallas-Fort Worth metropolitan area…

Waterbury (CT)

Waterbury (CT)

Waterbury, located in New Haven County, Connecticut, is a city with a rich industrial heritage, ofte…

Waterford (MI)

Waterford (MI)

Waterford Township, located in Oakland County, Michigan, is an unincorporated community that uniquel…

Waterloo (IA)

Waterloo (IA)

Waterloo, Iowa, located in the northeastern part of the state, is the county seat of Black Hawk Coun…

Watertown (MA)

Watertown (MA)

Watertown, Massachusetts, located just six miles west of downtown Boston, is a city rich in history …

Watertown (NY)

Watertown (NY)

Watertown, located in Jefferson County, New York, serves as the county seat and a significant urban …

Watertown (SD)

Watertown (SD)

Watertown, located in northeastern South Dakota, serves as the county seat of Codington County. Foun…

Watertown (WI)

Watertown (WI)

Watertown, Wisconsin, situated along the banks of the Rock River, has a rich history that dates back…

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How do I find the area code for a specific U.S. city?
Simply scroll through our city listings or use the search feature to find the city you’re looking for. Each city entry includes the area code(s) that correspond to that location.
Do some cities have multiple area codes?
Yes, larger cities or those in regions with high demand often have multiple area codes. This allows for a greater number of phone numbers within the same geographic area and helps accommodate growth in highly populated locations.
Why might a city’s area code change or gain additional codes?
Area codes are added or changed as cities grow and require more phone numbers. This often results in overlay codes or splits, where new area codes are introduced alongside existing ones to ensure adequate numbering for all residents and businesses.