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Get a 720 Area Code Number in Denver, Colorado

Last updated: June 2026 · By the Salam Talk team

720 area code virtual business phone number for Denver, Colorado — Salam Talk
720 area code numbers for Denver, Colorado businesses on Salam Talk.

720 area code: quick facts

The 720 area code is located in Denver, Colorado, serving Denver Metro, Colorado (population 2.9M+). It is in the Mountain (MT) time zone.

  • Location: Denver, Colorado
  • Region served: Denver Metro, Colorado
  • Population: 2.9M+
  • Time zone: Mountain (MT)
  • Code type: Mobile/Landline Overlay
  • Introduced: 1998

Get a 720 area code number for your business in Denver, Colorado. Salam Talk provides virtual local numbers covering Denver Metro, Colorado (population 2.9M+) with instant setup, HD voice, SMS, IVR, call recording, and a full cloud PBX — no hardware required.

720 area code key information

Area code720
Primary cityDenver, Colorado
CountyDenver County
Region servedDenver Metro, Colorado
Time zoneMountain (MT)
In service since1998
Code typeMobile/Landline Overlay
Population served2.9M+
Overlay area codes303 (Denver)
Nearby Colorado area codes719 (Colorado Springs)

History of the 720 area code

The 720 area code was first put into service in 1998, assigned to Denver and the surrounding Denver Metro, Colorado. It now shares its territory with overlay code 303, so multiple codes serve the same area. Businesses use 720 numbers to keep a recognizable local presence in Denver.

What is the 720 area code?

The 720 area code is a local telephone area code serving Denver and the surrounding Denver Metro, Colorado in Colorado. A 720 number signals an established local presence to customers in this market, which raises answer rates and trust compared with toll-free or out-of-area numbers.

Denver's 720 area code serves the entire Front Range metro — one of America's most desirable and fastest-growing business regions. Colorado's thriving tech scene, outdoor industry, and cannabis market all converge here.

Where is the 720 area code located?

The 720 area code covers Denver, Colorado, and the wider Denver Metro, Colorado, serving a population of roughly 2.9M+. With Salam Talk you can hold a 720 number from anywhere in the world and route calls to any device.

Introduced in 1998, the 720 code is a mobile/landline overlay area code covering Greater Denver Metro.

Cities and neighborhoods in the 720 area

The 720 area code serves communities including Denver, Aurora, Lakewood, Thornton, Westminster, Arvada, Centennial, Boulder, Fort Collins.

  • Denver
  • Aurora
  • Lakewood
  • Thornton
  • Westminster
  • Arvada
  • Centennial
  • Boulder
  • Fort Collins

Industries that rely on 720 numbers

Businesses across Technology, Healthcare, Aerospace, Energy, Real Estate, Outdoor Industry, Finance, Cannabis in Denver use 720 numbers to build local credibility, improve answer rates, and serve customers across Denver Metro, Colorado.

Is the 720 area code a scam?

No — 720 is a legitimate geographic area code for Denver, Colorado, and the vast majority of 720 calls are genuine local calls. However, scammers can "spoof" any area code, including 720, to make a call appear local. If you receive an unexpected 720 call that asks for personal information, payment, or account details, treat it with caution, do not share sensitive data, and verify the caller independently. A real 720 business number from Salam Talk is registered and fully trackable — the opposite of a spoofed number.

Why businesses use Denver local numbers

Companies based outside Colorado use a 720 number to enter the Denver market without a physical office. Sales teams calling Denver Metro, Colorado prospects, e-commerce brands adding a local support line, and service firms expanding into Denver all rely on local numbers to build credibility and improve pickup rates.

Benefits of a 720 business number

  • Local presence and higher answer rates in Denver and Denver Metro, Colorado
  • HD voice calling over VoIP with a 99.9% uptime SLA
  • Business SMS and MMS text messaging
  • IVR auto-attendant, call routing, and call queues
  • Call recording and voicemail transcription
  • Unlimited extensions and mobile apps (iOS & Android)
  • Full cloud PBX with CRM and helpdesk integrations

720 vs other Colorado area codes

The 720 code is one of several serving Denver Metro, Colorado. Choose 720 when you want to target Denver specifically, and pair it with nearby area codes or a toll-free number for broader Colorado or national reach — all on the same Salam Talk platform.

How to get a 720 number

  1. Sign up for Salam Talk and choose Denver / 720 from available inventory.
  2. Pick your number, then set up call routing, IVR, and voicemail in minutes.
  3. Start making and receiving calls and texts on any device — no hardware needed.

Why choose Salam Talk for your 720 number

Salam Talk delivers carrier-grade 720 numbers with HD voice, SMS, IVR, call recording, analytics, and a 99.9% uptime SLA, backed by transparent pricing and support. Port an existing 720 number for free, or add a new one alongside your current line.

720 area code FAQ

Where is the 720 area code located?

The 720 area code is located in Denver, Colorado, covering Denver Metro, Colorado. It is in the Mountain (MT) time zone.

Is the 720 area code a scam?

No. 720 is a legitimate geographic area code for Denver, Colorado, and most 720 calls are genuine local calls. Scammers can spoof any area code to appear local, so be cautious with unexpected calls that request personal information or payment, and verify the caller independently.

What time zone is the 720 area code in?

The 720 area code is in the Mountain (MT) time zone.

What city uses the 720 area code?

The 720 area code primarily serves Denver, Colorado, covering Denver Metro, Colorado. It is a recognized local code for businesses and residents in this market.

Can I get a virtual 720 area code number for my business?

Yes. With Salam Talk you can get a virtual 720 area code phone number instantly — no physical office in Denver required. Your number routes to any device, anywhere.

Can I use a 720 number for business calls and SMS?

Absolutely. Salam Talk 720 numbers support both voice calls and SMS text messaging, managed from one dashboard.

Can I forward calls from a 720 number to my mobile or team?

Yes. Call forwarding is included with every Salam Talk number — route calls to your cell, office, softphone, or across your team with ring groups and queues.

Does Salam Talk support VoIP for 720 numbers?

Yes. Salam Talk is a cloud VoIP provider. Your 720 number works over the internet on iOS, Android, Windows, Mac, and SIP-compatible desk phones.

How quickly can I set up a 720 number?

Setup takes under 5 minutes — sign up, choose your 720 number, configure routing, and you are live. No hardware or technician needed.

Start your free trial and get your 720 area code number today, or browse all local area codes.