303 Area Code: Location, Time Zone & Phone Lookup

Area Code 303 Overview

Area code 303 is one of the original 86 area codes created by AT&T and Bell Labs in 1947. It covers the entire state of Colorado. 303 is a big area code, and it's growing fast. It's currently the 10th most populous area code in the country, with more than 5 million people living in its coverage area.303 is a diverse area code, covering everything from the big city of Denver to the ski towns of the Rocky Mountains. Denver is the capital of Colorado and the largest city in the 303 area code. It's a major center for business and culture, and it's home to a growing tech industry. The 303 area code also includes the cities of Aurora, Fort Collins, and Lakewood.

If you're looking for a great place to live, work, or vacation, the 303 area code has something for everyone. With its booming economy and beautiful scenery, the 303 area code is a great place to call home.

Area Code 303 History

Denver, Colorado is a city with a rich history. One of the things that make Denver so special is its area code, 303. This area code has been in use since 1947, and it has been the area code for the entire Denver metropolitan area since 1995.303 is one of the original area codes created in 1947. It was originally assigned to the entire state of Colorado. In 1995, 303 was split and the north-central portion of Colorado was assigned the area code 970. This left 303 as the area code for the Denver metropolitan area.

The 303 area code has been in use for over 70 years and it is one of the oldest area codes in the United States. It is also one of the most heavily used area codes. In 2017, 303 had over 9.5 million phone calls.

The 303 area code is a source of pride for many people in Denver. It is a symbol of the city’s rich history and culture. If you are ever in Denver, be sure to take a look at the area code 303 signs and monuments. They are a reminder of Denver’s unique history and culture.