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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

Indianapolis (IN)

Indianapolis (IN)

Indianapolis, the capital city of Indiana, is situated in the central part of the state and serves a…
Indio (CA)

Indio (CA)

Indio, California, located in Riverside County, is a city known for its rich cultural history and no…
Inglewood (CA)

Inglewood (CA)

Inglewood, California, located in the Los Angeles County region, has a rich history and significant …
Inglewood-Finn Hill (WA)

Inglewood-Finn Hill (WA)

Inglewood-Finn Hill is an unincorporated community located in King County, Washington, nestled on th…
Inkster (MI)

Inkster (MI)

Inkster, Michigan, located in Wayne County, is a city with a rich history that dates back to its inc…
Inver Grove Heights (MN)

Inver Grove Heights (MN)

Inver Grove Heights, located in Dakota County, Minnesota, is a suburban city adjacent to the Mississ…
Iowa City (IA)

Iowa City (IA)

Iowa City, located in Johnson County, Iowa, is known for its unique blend of history and academic in…
Irondequoit (NY)

Irondequoit (NY)

Irondequoit, located in Monroe County, New York, directly borders the city of Rochester to the west …
Irvine (CA)

Irvine (CA)

Irvine, California, located in Orange County, is a planned community that has developed rapidly sinc…
Irving (TX)

Irving (TX)

Irving, Texas, located in the Dallas-Fort Worth metroplex, is a rapidly growing city known for its s…
Irvington (NJ)

Irvington (NJ)

Irvington, New Jersey, is a township located in Essex County, approximately six miles southwest of N…
Ithaca (NY)

Ithaca (NY)

Ithaca, New York, located in Tompkins County, serves as both a cultural and educational hub in the F…
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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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