Area Code 720 Z

Area Code 720

AREA CODE 720

Area codes 303, 720 and 983 are telephone area codes in the North American Numbering Plan for the north-central portion of the U.S. state of Colorado. The numbering plan area comprises Denver and Boulder, as well as their surrounding suburbs, including Lakewood, Littleton, Longmont, Aurora, and Castle Rock. Area code 303 is the original area code, while area codes 720 and 983 were added (1998, 2022 respectively) to form an overlay plan for the area, meaning that the same geographic service area is served by all area codes and that ten-digit dialing is required for all calls made within the service area.



History

Area code 303 was one of the original North American area codes of 1947, and originally served the entire state of Colorado. It remained the state's sole area code for 40 years. Colorado's explosive growth in the second half of the 20th century, particularly in the Denver/Boulder area, made it a certainty that Colorado would need another area code. An impending number shortage in the late 1980s meant this split could no longer be staved off.

On March 5, 1988, southeastern Colorado, including Colorado Springs and Pueblo, was divided from the statewide area and received area code 719. Further demand for numbers led to another split: The northeastern and western portions of area code 303, including Fort Collins, Grand Junction, Vail and Aspen, were separated on April 2, 1995, and became area code 970. This split reduced 303 to the Denver-Boulder area.With the 1995 split, 303 was the only Colorado area code that did not border another state.

Although the 1995 split was intended as a long-term solution, the area continued to experience sharp growth so that within two years, further relief was necessary. The Front Range area is home not only to most of Colorado's landlines, but also to most of the state's cell phones, fax machines, and pagers. On September 1, 1998, area code 720 was instituted in the 303 service area to create an overlay.In 2020, the North American Numbering Plan Administrator estimated that the Denver metropolitan area would reach numbering exhaustion by 2023.

Accordingly, the Colorado Public Utilities Commission approved on May 21, 2021, an additional area code for the all-services distributed overlay of NPA 303/720.

In early 2022, Area code 983 is in the network preparation stage, with first office code assignments scheduled not before June 17, 2022. In addition, no central office code in 983 may be installed before the complete exhaustion of the existing area codes.The addition results in 23.8 million numbers being assigned to an area of about 3.5 million people.

Location, time zone and map of the 720 area code

Local time

2:51:25 AM, Monday 20, June 2022 MDT 24 hours

Time difference to GMT/UTC

Standard time:UTC/GMT -7:00 hours
Daylight saving time:+1:00 hour
Current time zone offset:UTC/GMT -6:00 hours
Time zone abbreviation:MDT

Daylight Saving Time 2022 (Summer Time)

DST starts on Sunday 13 March 2022, 02:00
DST ends on Sunday 06 November 2022, 02:00

Time zone

The 720 area code lies within the Mountain Time (MT)MST - Mountain Standard Time
MDT - Mountain Daylight Time when daylight saving time is being observed (from mid-March to early November)

Location

Major cities and communities served by area code 720

Denver County
  • Denver
Adams County
  • Aurora
  • Thornton
  • Westminster
  • Commerce City
  • Northglenn
  • Brighton
  • Federal Heights
  • Strasburg
Jefferson County
  • Lakewood
  • Arvada
  • Wheat Ridge
  • Golden
  • Evergreen
Boulder County
  • Boulder
  • Longmont
  • Lafayette
  • Erie
  • Louisville
  • Superior
Broomfield County
  • Broomfield
Douglas County
  • Castle Rock
  • Parker
Arapahoe County
  • Littleton
  • Englewood
  • Greenwood Village
  • Cherry Hills Village
  • Sheridan
  • Deer Trail
Weld County
  • Frederick
  • Fort Lupton
  • Hudson
  • Keenesburg
Clear Creek County
  • Georgetown
Lake County
  • Twin Lakes

Get a 720 area code phone number in Denver

Denver, the capital city of Colorado, is one of the best destinations in the US for tourism and business activities. Located one mile above sea level, it is nicknamed the Mile High City and famed for its scenic beauty, outdoor activities, tourist attractions, and business opportunities.Due to its location at the foot of the mineral-rich Rocky Mountains, Denver was once known as a mining town.

Over the past few decades, the city has diversified its economy, creating numerous opportunities across various sectors. Today, it is ranked as a Beta City and supports several growing sectors including energy, telecommunications, technology, financial services, and healthcare.

All these factors make Denver a favorite with business owners, and expanding your business to the city is now easier than ever with Ringover’s virtual phone numbers with area code 720. These local numbers allow you to conduct business in Denver and its surrounding areas from any corner of the world.

Why choose a 720 area code for your business?

Get a Denver phone number with a 720 area code to display your local presence in the area of several millions of people. With this number you can increase your access to over 730,000 people residing in Denver city. As 720 is also the area code for many nearby cities including Aurora, Lakewood, Arvada, Thornton, Westminster, Boulder, etc., you can also enjoy access to several other millions. This is a powerful area code since a fairly large number of Colorado’s population lives in the 720 area.

Easily setup your Virtual Company in Denver

Setting up your business in Denver will allow you to tap into the city’s growing economy. However, this doesn’t mean that you need to physically move to the city or look for an office space. Instead, you can obtain a Denver number with area code 720 from Rover and set up a virtual company. Besides cutting costs, it will let you communicate with your potential customers in Denver and nearby cities.

Improve cold calling campaign results by using a 720 number

Telemarketing is a powerful tool in your sales arsenal, especially when you are looking to connect with new customers and generate potential leads. To make your cold calling campaigns in Denver more effective, it is imperative that you have a local business number with area code 720. It will help optimize your efforts, promote your services and products, and encourage more customers to pick up calls.

About Denver

You’re never at a loss for things to do in Denver, Boulder, and the surrounding cities that make up north-central Colorado. In fact, the 720 area code is bursting with fun activities, sprawling sandstone cliffs, and cultural sights to see. From Denver, the 720 area code extends outwards, reaching such iconic spots as the Red Rocks Park & Amphitheater, Dinosaur Ridge, and the Buffalo Bill Museum. Want to hop on over to Boulder? The 720 area code covers that area, too, From Boulder, branch out to explore the great outdoors, visiting Bear Peak, El Dorado Canyon State Park, and the iconic Flatirons. Be sure not to miss some of the 720 area code’s hottest spots, the ultra-modern and architecturally impressive Denver Art Museum and the Denver Botanic Gardens.

Areas Served

As an enclave area code, the 720 area code serves cities located in the northern part of central Colorado. This means that it covers the well-known cities of Denver, Aurora, Westminster, Lakewood, and Boulder. Because the 720 area code is an overlay for the 303 area code, the former is more present in the counties of Arapahoe, Adams, Jefferson, and Boulder as opposed to Denver County.

WHERE IS THE 720 AREA CODE?

STATEColorado
TIME ZONEMountain Time
The 720 area code is located in the state of Colorado, and according to Intelius data, covers roughly 477,911 phone numbers. Denver is the largest city within this area code with a population of about 622,214.Have you received a call from a number with a 720 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius will provide you with a report that includes (when available) phone type and carrier, the owner's name, their current and past addresses, age, relatives, and more.

TOP CITIES IN THE (720) AREA CODE

1
Denver
COUNTY
Denver
POPULATION
622,214
2
Aurora
COUNTY
Arapahoe
POPULATION
325,078
3
Lakewood
COUNTY
Jefferson
POPULATION
142,980
4
Boulder
COUNTY
Boulder
POPULATION
125,344


Area Code (720) Prefixes

PREFIX
COUNTY
CITY
CARRIER
TYPE
Denver
Denver
CenturyLink QC
Land Line
Denver
Denver
New Cingular Wireless PCS LLC
Cellular
Denver
Westminster
Verizon Wireless
Cellular
Denver
Englewood
Sprint Spectrum LP
Cellular
Boulder
Denver
New Cingular Wireless PCS LLC
Cellular
Denver
Englewood
Sprint Spectrum LP
Cellular
Denver
Englewood
XO Colorado LLC
Land Line
Denver
Englewood
XO Colorado LLC
Land Line
Denver
Englewood
XO Colorado LLC
Land Line
Denver
Denver
T-Mobile USA Inc
Cellular

List of ZIP Codes in Area Code 720

720 area code time zone right now
720 is an area code located in the state of Colorado, US.
...
Time difference to GMT/UTC.
Standard time:UTC/GMT -7:00 hours
Current time zone offset:UTC/GMT -6:00 hours
Time zone abbreviation:MDT



720 area code California

Area code 720 is located in central Colorado and covers Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, and Centennial. It is an overlay for area code 303 and serves the same area.

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