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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

Reisterstown (MD)

Reisterstown (MD)

Reisterstown, Maryland, is a historically significant community located in Baltimore County. Establi…

Reno (NV)

Reno (NV)

Reno, located in the northwest region of Nevada, is the county seat of Washoe County and serves as a…

Renton (WA)

Renton (WA)

Renton, located in King County, Washington, is a city with a rich history and unique geographical fe…

Reston (VA)

Reston (VA)

Reston, Virginia, located in Fairfax County, is a planned community founded in 1964 by Robert E. Sim…

Revere (MA)

Revere (MA)

Revere, Massachusetts, located just north of Boston, is a city known for its rich history and divers…

Reynoldsburg (OH)

Reynoldsburg (OH)

Reynoldsburg, Ohio, situated in central Ohio and part of the Columbus metropolitan area, has a popul…

Rialto (CA)

Rialto (CA)

Rialto, California, located in San Bernardino County, is a city steeped in history and evolution. Es…

Richardson (TX)

Richardson (TX)

Richardson, Texas, is a city located in the Dallas-Fort Worth metroplex, primarily within Dallas Cou…

Richfield (MN)

Richfield (MN)

Richfield, Minnesota, located just south of Minneapolis, is a city known for its residential neighbo…

Richmond (CA)

Richmond (CA)

Richmond, California, located in the East Bay region of the San Francisco Bay Area, is a city with a…

Richmond (IN)

Richmond (IN)

Richmond, Indiana, located in Wayne County, is a city with a rich historical tapestry dating back to…

Richmond (KY)

Richmond (KY)

Richmond, located in Madison County, Kentucky, is a city with a rich historical context and a vibran…

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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.