Area Code:

301400

State Area Code:

301

City Prefix:

400

City:

ROCKVILLE

State:

Maryland

Zipcode:

20852, 20817, 20895

County (FIPS Code):

MONTGOMERY ( 24031 )

Country:

United States of America

Carrier:

VERIZON MARYLAND, INC.

Latitude & Longitude:

39.024 -77.1155

Type of Service:

Land Line

Time Zone:

Eastern

Businesses in Prefix:

N/A