Area Code:

240620

State Area Code:

240

City Prefix:

620

City:

ROCKVILLE

State:

Maryland

Zipcode:

20850, 20851, 20855

County (FIPS Code):

MONTGOMERY ( 24031 )

Country:

United States of America

Carrier:

MCI WORLDCOM COMMUNICATIONS, I

Latitude & Longitude:

39.0867 -77.16

Type of Service:

Land Line

Time Zone:

Eastern

Businesses in Prefix:

N/A