VerifyPhone.com is your one-stop site for area code lookup, phone number lookup,
and free phone number reviews. Following is phone number listings & most
recent reviews for 240-390 area code for verified numbers 240-390-4000 - 240-390-4999. Zipcodes covered include 20860, 20832, 20833, 20777 covered within Herndon. More area codes, including
those outside of Maryland, United States of America, are on the VerifyPhone.com homepage.
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240-390-4xxx Area Code Reverse Lookup Results
Phone numbers 240-390-4xxx fall in 240-390 area code. This area code covers part of Herndon, covering
most of 20860, 20832, 20833, 20777 zipcodes. 240-390 area code was
started on Aug 10, 2004. Herndon follows US/Eastern timezone with Daylight Savings as part of Montgomery county in Maryland state. It has a population of 971,777 and covers a Land Area of 491.254 sq miles. 240-390 area code
locator service has determined Geo-Coordinates for this location as Latitude: 39.15 & Longitude: -77.01. Also, the network service provider for area code 240-390 is Cavalier Telephone Mid-Atlantic LLC - MD, 2134 W Laburnum Ave, Richmond, VA, US - 23227-4342.
