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 605-666 area code for verified numbers 605-666-5000 - 605-666-5999. Zipcodes covered include 57751, 57701, 57702, 57744 covered within Keystone. More area codes, including
those outside of South Dakota, United States of America, are on the VerifyPhone.com homepage.
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605-666-5xxx Area Code Reverse Lookup Results
Phone numbers 605-666-5xxx fall in 605-666 area code. This area code covers part of Keystone, covering
most of 57751, 57701, 57702, 57744 zipcodes. 605-666 area code was
started on Feb 05, 2013. Keystone follows US/Mountain timezone with Daylight Savings as part of Pennington county in South Dakota state. It has a population of 100,948 and covers a Land Area of 999.999 sq miles. 605-666 area code
locator service has determined Geo-Coordinates for this location as Latitude: 43.90 & Longitude: -103.42. Also, the network service provider for area code 605-666 is Fort Randall Telephone Company dba Mt. Rushmore Telephone Company, 227 South Main St, Clara City, MN, US - 56222-0800.
