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Phone Numbers: (623) 780-XXXX
Recently Searched Numbers in the 623 Area Code
About the (623) 780 Prefix
The (623) 780 prefix serves Glendale, Arizona, United States. Phone numbers in this exchange follow the format (623) 780-XXXX. The primary carrier assigned to this prefix is QWEST COMMUNICATIONS.
(623) 780 Geographic Info
- Primary City
- Glendale
- State
- Arizona, United States
- Primary Carrier
- QWEST COMMUNICATIONS
Other Prefixes in the 623 Area Code
One thing we hear from our users over and over: they wish they'd known this sooner:
In the Google Phone app on Android, blocking unknown numbers (Settings → Blocked Numbers → toggle on "Unknown") outright rejects calls that don't transmit a caller ID. It's more aggressive than iPhone's Silence Unknown Callers — blocked calls don't go to voicemail.
Read more: How to Stop Spam Calls on iPhone and Android (2026 Guide) →Frequently Asked Questions
What area code is (623) 780?
(623) 780 is a telephone prefix in the 623 area code, which serves Glendale, Arizona, United States.
Where is the (623) 780 prefix located?
Phone numbers with the (623) 780 prefix are located in Glendale, Arizona, United States. The primary carrier for this prefix is QWEST COMMUNICATIONS.
What carrier uses the (623) 780 prefix?
The primary carrier assigned to the (623) 780 prefix is QWEST COMMUNICATIONS. However, numbers may be ported to other carriers over time.
How do I look up a phone number with the (623) 780 prefix?
Enter the full 10-digit number (e.g. (623) 780-XXXX) into ClarityCheck's reverse phone lookup to instantly see the owner's name, address, social profiles, and more.