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Phone Numbers: (240) 402-XXXX
Recently Searched Numbers in the 240 Area Code
About the (240) 402 Prefix
The (240) 402 prefix serves Germantown, Maryland, United States. Phone numbers in this exchange follow the format (240) 402-XXXX. The primary carrier assigned to this prefix is Verizon.
(240) 402 Geographic Info
- Primary City
- Germantown
- State
- Maryland, United States
- Primary Carrier
- Verizon
Other Prefixes in the 240 Area Code
One thing we hear from our users over and over: they wish they'd known this sooner:
Every time you enter your phone number on a website, sign up for a loyalty card, register a warranty, or download an app that requests your contacts, that number enters the data broker ecosystem. Brokers aggregate, package, and resell this data — and scammers obtain it from data breaches, leaked databases, or the same brokers.
Read more: How to Stop Spam Calls on iPhone and Android (2026 Guide) →Frequently Asked Questions
What area code is (240) 402?
(240) 402 is a telephone prefix in the 240 area code, which serves Germantown, Maryland, United States.
Where is the (240) 402 prefix located?
Phone numbers with the (240) 402 prefix are located in Germantown, Maryland, United States. The primary carrier for this prefix is Verizon.
What carrier uses the (240) 402 prefix?
The primary carrier assigned to the (240) 402 prefix is Verizon. However, numbers may be ported to other carriers over time.
How do I look up a phone number with the (240) 402 prefix?
Enter the full 10-digit number (e.g. (240) 402-XXXX) into ClarityCheck's reverse phone lookup to instantly see the owner's name, address, social profiles, and more.