Germantown Area Codes, Maryland, Unites States

How to call Germantown, Maryland?

Germantown has 2 area codes. To call Germantown you need to dial the Unites States country code (+1) and one of the following area codes:

240 301

How to know if I'm receiving calls from Germantown, Maryland?

You are receiving calls from Germantown when the phone number starts with one of the following combinations:

1-240 1-301

Other area codes in Unites States