The 303 Area Code is located in the state of Colorado, in the United States of America. The 303 Area Code is applicable to all landline and mobile phones within the state of Colorado. The 303 area code covers the Denver-Aurora-Boulder Combined Statistical Area, which is the largest metropolitan area in Colorado.
History of the 303 Area Code
The 303 Area Code was originally established in 1947 as one of the original area codes in the North American Numbering Plan (NANP). This area code was originally assigned to the entire state of Colorado. In 1988, the 303 area code was split to create the 719 area code, which serves the Southern portion of the state. This split was necessary due to the increasing number of phone numbers assigned to Colorado.
Geographic Location of the 303 Area Code
The 303 area code covers the Denver-Aurora-Boulder Combined Statistical Area, which is the largest metropolitan area in Colorado. This area code also covers the entire state of Colorado.
What Cities are in the 303 Area Code?
The 303 Area Code covers the entire state of Colorado, including the following cities:
• Denver • Aurora • Boulder • Fort Collins • Colorado Springs • Greeley • Longmont • Pueblo • Grand Junction
What Time Zone is the 303 Area Code in?
The 303 Area Code is located in the Mountain Time Zone. This time zone is six hours behind Coordinated Universal Time (UTC).
How to Dial a Phone Number with the 303 Area Code?
To dial a phone number with the 303 area code, you must first dial the international prefix, which is 011 for most countries. This is followed by the US country code, which is 1. After that, you must dial the area code, which is 303. Finally, you must dial the remaining seven digits of the phone number.
What Companies Use the 303 Area Code?
The 303 Area Code is used by many companies, including the following:
• AT&T • Sprint • Verizon • T-Mobile • Comcast • CenturyLink • Dish Network • Xfinity
Who Are the Major Carriers in the 303 Area Code?
The major carriers in the 303 Area Code are AT&T, Sprint, Verizon, T-Mobile, Comcast, CenturyLink, Dish Network, and Xfinity.
Frequently Asked Questions
Where is the 303 Area Code located?
The 303 Area Code is located in the state of Colorado, in the United States of America.
What cities are in the 303 Area Code?
The 303 Area Code covers the entire state of Colorado, including the following cities: Denver, Aurora, Boulder, Fort Collins, Colorado Springs, Greeley, Longmont, Pueblo, and Grand Junction.
What time zone is the 303 Area Code in?
The 303 Area Code is located in the Mountain Time Zone, which is six hours behind Coordinated Universal Time (UTC).
How to dial a phone number with the 303 area code?
To dial a phone number with the 303 area code, you must first dial the international prefix, which is 011 for most countries. This is followed by the US country code, which is 1. After that, you must dial the area code, which is 303. Finally, you must dial the remaining seven digits of the phone number.
What companies use the 303 Area Code?
The 303 Area Code is used by many companies, including AT&T, Sprint, Verizon, T-Mobile, Comcast, CenturyLink, Dish Network, and Xfinity.
Who are the major carriers in the 303 Area Code?
The major carriers in the 303 Area Code are AT&T, Sprint, Verizon, T-Mobile, Comcast, CenturyLink, Dish Network, and Xfinity.
Conclusion
The 303 Area Code is located in the state of Colorado, in the United States of America. This area code covers the Denver-Aurora-Boulder Combined Statistical Area, which is the largest metropolitan area in Colorado. The 303 area code was established in 1947 as one of the original area codes in the North American Numbering Plan (NANP). The 303 Area Code is used by many companies, including AT&T, Sprint, Verizon, T-Mobile, Comcast, CenturyLink, Dish Network, and Xfinity. The major carriers in the 303 Area Code are AT&T, Sprint, Verizon, T-Mobile, Comcast, CenturyLink, Dish Network, and Xfinity. To dial a phone number with the 303 area code, you must first dial the international prefix, which is 011 for most countries. This is followed by the US country code, which is 1. After that, you must dial the area code, which is 303. Finally, you must dial the remaining seven digits of the phone number.