301 Area Code Phone Numbers

Where is Area Code 301?

The 301 area code is located in the state of Maryland. Area code 301 is one of 325 three-digit telephone area codes in the America. There are about 1,150,878 unique phone numbers and 2,047,424 individuals near the cities of Germantown,Silver Spring,Waldorf.

State:Maryland
Major City:Germantown
Timezone:Eastern
Current Time: 11:3pm

Major Cities in 301 Area Code

  • Germantown
  • Silver Spring
  • Waldorf
  • Frederick
  • Rockville
  • Bethesda
  • Gaithersburg
  • Bowie
Area Code 301 Map
Show on Map
map
PrefixUsagePrimary CityCarrierIntroduced