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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

Herndon (VA)

Herndon (VA)

Herndon, Virginia, located in Fairfax County, serves as a prominent suburb of Washington, D.C., offe…
Hesperia (CA)

Hesperia (CA)

Hesperia, located in San Bernardino County, California, is a city situated in the high desert region…
Hialeah (FL)

Hialeah (FL)

Hialeah, Florida, located in Miami-Dade County, is a densely populated city with a rich cultural her…
Hickory (NC)

Hickory (NC)

Hickory, North Carolina, located in Catawba County, has a rich history that dates back to the early …
Hicksville (NY)

Hicksville (NY)

Hicksville, located in Nassau County, New York, emerged as a significant geographic and demographic …
High Point (NC)

High Point (NC)

High Point, North Carolina, located in the central part of the state, is notable for its significant…
Highland (CA)

Highland (CA)

Highland, California, located in San Bernardino County, is a city with a rich historical background …
Highland (IN)

Highland (IN)

Highland, Indiana, is a suburban community located in Lake County, approximately 30 miles southeast …
Highland Park (IL)

Highland Park (IL)

Highland Park, located in Lake County, Illinois, is a suburban city situated approximately 25 miles …
Highlands Ranch (CO)

Highlands Ranch (CO)

Highlands Ranch, located in Douglas County, Colorado, serves as a prominent suburban community withi…
Hilliard (OH)

Hilliard (OH)

Hilliard, Ohio, located in Franklin County, is a suburban city that has rapidly developed from its e…
Hillsboro (OR)

Hillsboro (OR)

Hillsboro, Oregon, located in Washington County, is the fifth-largest city in the state, with a popu…
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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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