Phone prefix +1 (240) 390-XXXX
Phone prefix: +1240390
This prefix is distributed within the state Maryland
The largest city within this prefix is Sandy Spring, MD
District: Montgomery
The largest organization: Cavalier Telephone Mid-atlantic
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1 (240) 390-XXXX numbers is shown below
Sandy Spring, MD.