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.
In 1796 Col. Ebenezer Zane received funds to cut a road from Ohio to Kentucky. He responded by naming the first settlements in honor of Cambridge, Maryland. The land on which part of Cambridge stands was granted by Zaccheus Biggs and Zaccheus Beatty by the government in 1801.