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 301How 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 1-301Other area codes in Unites States
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