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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

Rocky River (OH)

Rocky River (OH)

Rocky River is a suburban city located in Cuyahoga County, Ohio, along the southern shore of Lake Er…

Rogers (AR)

Rogers (AR)

Rogers, Arkansas, located in Benton County, is a city that plays a critical role in the Northwest Ar…

Rohnert Park (CA)

Rohnert Park (CA)

Rohnert Park, located in Sonoma County, California, is a city with a rich history and a population o…

Rolling Meadows (IL)

Rolling Meadows (IL)

Rolling Meadows, located in Cook and Lake Counties in Illinois, is a suburban city with a rich histo…

Rome (GA)

Rome (GA)

Nestled in the foothills of the Appalachian Mountains, Rome, Georgia, serves as both the county seat…

Rome (NY)

Rome (NY)

Rome, New York, located in Oneida County, is a city rich in history and significant in its strategic…

Romeoville (IL)

Romeoville (IL)

Romeoville, located in Will County, Illinois, is a village situated approximately 30 miles southwest…

Romulus (MI)

Romulus (MI)

Romulus, located in Wayne County, Michigan, is an integral part of the Detroit metropolitan area. Es…

Ronkonkoma (NY)

Ronkonkoma (NY)

Ronkonkoma is a census-designated place in Suffolk County, New York, located primarily within the To…

Roseburg North (OR)

Roseburg North (OR)

Roseburg North, located in Douglas County, Oregon, is an unincorporated community situated just nort…

Roselle (IL)

Roselle (IL)

Roselle, Illinois, located in DuPage and Cook counties, is a village with a rich history dating back…

Roselle (NJ)

Roselle (NJ)

Roselle, New Jersey, is a borough located within Union County, approximately 20 miles southwest of M…

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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.