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Run a reverse phone lookup on any US number with ClarityCheck. Enter a full 10-digit number to instantly search billions of public records and uncover the caller's identity, location, and more — whether it's an unknown caller, missed call, or suspicious text.

ClarityCheck works across all line types — landline, cell, and VoIP — and every major US carrier. Search by phone, email, image, or VIN to cross-reference identities and identify spam callers, scammers, or anyone who texted you. Start with our trial package to access high-quality reports including owner details, address history, and social platforms information.

Phone Numbers: (720) 623-XXXX

Recently Searched Numbers in the 720 Area Code

About the (720) 623 Prefix

The (720) 623 prefix serves Denver, Colorado, United States. Phone numbers in this exchange follow the format (720) 623-XXXX. The primary carrier assigned to this prefix is Verizon.

(720) 623 Geographic Info

Primary City
Denver
State
Colorado, United States
Primary Carrier
Verizon

Other Prefixes in the 720 Area Code

From Our Blog

Your phone already has more security tools than you probably realize. Here's one thing worth adding to your knowledge:

Lookup services pull from several layers of data. Public records form the foundation — these include property deeds, court filings, voter registrations, and business filings where phone numbers appear as contact information. On top of that sit commercial datasets assembled by data brokers, who aggregate records from warranty registrations, loyalty programs, app permissions, and online account sign-ups.

Read more: How to Do a Reverse Phone Lookup (And What You Can Actually Find)

Frequently Asked Questions

What area code is (720) 623?

(720) 623 is a telephone prefix in the 720 area code, which serves Denver, Colorado, United States.

Where is the (720) 623 prefix located?

Phone numbers with the (720) 623 prefix are located in Denver, Colorado, United States. The primary carrier for this prefix is Verizon.

What carrier uses the (720) 623 prefix?

The primary carrier assigned to the (720) 623 prefix is Verizon. However, numbers may be ported to other carriers over time.

How do I look up a phone number with the (720) 623 prefix?

Enter the full 10-digit number (e.g. (720) 623-XXXX) into ClarityCheck's reverse phone lookup to instantly see the owner's name, address, social profiles, and more.