Missouri Area Codes. Missouri is currently using six area codes. Missouri does not utilize any area code overlays. Missouri originally had two area codes, 314 and 816, assigned when the numbering system was established in 1947. In only three years Missouri experienced sufficient growth in population and telephone use to need an additional area code.
Ohio (OH) - 43725. 1  As of the 2010 census, zip code 43725 is located in Congressional District 6, OH. 2  Approximately 33.9% of 43725's population lives in a low income household, or a household with an annual income of less than $25,000.This is a low percentage of low income households for Cambridge, but a high percentage for Guernsey County.
Guernsey County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 40,087. Its county seat is Cambridge, and it is named for the Isle of Guernsey in the English Channel, from which many of the county's early settlers emigrated. Guernsey County comprises the Cambridge, OH Micropolitan Statistical Area, which is also included in the Columbus-Marion-Zanesville, OH Combined Statistical Area.