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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

Ossining (NY)

Ossining (NY)

Ossining, located in Westchester County, New York, is a village with a rich history and significant …
Ottumwa (IA)

Ottumwa (IA)

Ottumwa, located in southeastern Iowa, serves as the county seat of Wapello County. Established in 1…
Overland Park (KS)

Overland Park (KS)

Overland Park, located in Johnson County, Kansas, is the second most populous city in the state, wit…
Oviedo (FL)

Oviedo (FL)

### Oviedo, Florida Oviedo is a city located in Seminole County, Florida, known for its rich histor…
Owatonna (MN)

Owatonna (MN)

Owatonna, located in Steele County, Minnesota, is a city with a rich history and a vibrant community…
Owensboro (KY)

Owensboro (KY)

Owensboro is a city located in Daviess County, Kentucky, and serves as the county seat. As of the 20…
Oxford (OH)

Oxford (OH)

Oxford, Ohio, located in Butler County, serves as a pivotal center of education and culture, primari…
Oxnard (CA)

Oxnard (CA)

Oxnard, California, located in Ventura County along the Pacific Coast, is renowned for its agricultu…
Pacifica (CA)

Pacifica (CA)

Pacifica, California, is a coastal city located in San Mateo County, approximately 15 miles south of…
Paducah (KY)

Paducah (KY)

Paducah, located in McCracken County, Kentucky, serves as an important cultural and economic hub in …
Pahrump (NV)

Pahrump (NV)

Pahrump, located in Nye County, Nevada, serves as an unincorporated town with a population that hove…
Palatine (IL)

Palatine (IL)

Palatine, Illinois, located in Cook and Lake Counties, is a prominent suburb of Chicago, situated ap…
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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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