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 240-312 area code for verified numbers 240-312-7000 - 240-312-7999. Zipcodes covered include 20743, 20712, 20722, 20710 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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240-312-7xxx Area Code Reverse Lookup Results
Phone numbers 240-312-7xxx fall in 240-312 area code. This area code covers part of Herndon, covering
most of 20743, 20712, 20722, 20710 zipcodes. 240-312 area code was
started on Aug 10, 2004. Herndon follows US/Eastern timezone with Daylight Savings as part of Prince George's county in Maryland state. It has a population of 863,420 and covers a Land Area of 482.691 sq miles. 240-312 area code
locator service has determined Geo-Coordinates for this location as Latitude: 38.88 & Longitude: -76.92. Also, the network service provider for area code 240-312 is Cavalier Telephone Mid-Atlantic LLC - MD, 2134 W Laburnum Ave, Richmond, VA, US - 23227-4342.
