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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

Rochester (MN)

Rochester (MN)

Rochester, Minnesota, located in Olmsted County, serves as a key urban center in the southeastern pa…
Rochester (NH)

Rochester (NH)

Rochester, New Hampshire, located in Strafford County, is a city steeped in rich history, founded in…
Rochester (NY)

Rochester (NY)

Rochester, New York, located in the western part of the state along the southern shore of Lake Ontar…
Rochester Hills (MI)

Rochester Hills (MI)

Rochester Hills, located in Oakland County, Michigan, operates as a suburban community adjacent to t…
Rock Hill (SC)

Rock Hill (SC)

Rock Hill, located in York County, South Carolina, is a city with a rich historical background and s…
Rock Island (IL)

Rock Island (IL)

Rock Island, Illinois, located on the Mississippi River, is part of the Quad Cities region and has a…
Rockford (IL)

Rockford (IL)

Rockford, Illinois, located in Winnebago County, is the largest city in the state outside of Chicago…
Rockledge (FL)

Rockledge (FL)

Rockledge, Florida, located in Brevard County, is one of the oldest cities on the Space Coast, with …
Rocklin (CA)

Rocklin (CA)

Rocklin, California, located in Placer County, is a city that has experienced significant growth and…
Rockville (MD)

Rockville (MD)

Rockville, Maryland, serves as the county seat of Montgomery County and is a vital part of the Washi…
Rockville Centre (NY)

Rockville Centre (NY)

Rockville Centre is a village located in Nassau County, New York, on Long Island. Incorporated in 18…
Rocky Mount (NC)

Rocky Mount (NC)

Rocky Mount, North Carolina, located approximately 50 miles east of Raleigh, serves as a key hub in …
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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.

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