Area Code Center The Complete US Area Code & Location Directory
US Area Codes
Missouri

314 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 314 area code serves the city of St. Louis and St. Louis County, the historic core of eastern Missouri. One of…

Missouri
Missouri

636 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 636 area code serves the western and outer suburbs of St. Louis and the East Central Missouri countryside. Created in 1999…

Missouri
Missouri

557 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 557 area code is the newest overlay serving the city of St. Louis and St. Louis County. Introduced in 2024, it…

Missouri
Colorado

719 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 719 area code serves southern Colorado, anchored by Colorado Springs and Pueblo along the southern Front Range. Created in 1988 when…

Colorado
Colorado

970 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 970 area code serves northern and western Colorado, from the Front Range cities of Fort Collins and Greeley to the Western…

Colorado
Colorado

303 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 303 area code serves the Denver metropolitan area and Boulder, the population and economic heart of Colorado. One of the original…

Colorado
Colorado

720 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 720 area code is an overlay serving the Denver metropolitan area and Boulder. Introduced in 1998, it was the first overlay…

Colorado
Colorado

983 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 983 area code is the newest overlay serving the Denver metropolitan area and Boulder. Introduced in 2023, it was layered directly…

Colorado
US Area Codes

534 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 534 area code is an overlay serving the vast northern and western reaches of Wisconsin. Introduced in 2010, it was layered…

US Area Codes
US Area Codes

353 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 353 area code is an overlay serving Madison and the southwestern quarter of Wisconsin. Introduced in 2023, it is the newest…

US Area Codes