Main city: Johnstown
Timezone: Eastern
Phone type: Landline
Operator: Citizens Telecomm Co Of Ny DBA Frontier Comm Of Ny

Johnstown, a city and the county seat of Fulton County in the U.S. state of New York. As of the 2010 Census, the city had population of 8,743. The city was named by its founder, Sir William Johnson after his son John Johnson. Sir WIlliam Johnson was a baronet and officer in the British army.. ^source

Area code 518 is a telephone area code in eastern upstate New York, established as one of the original area codes in 1947. It covers 24 counties and 1,200 ZIP codes. It has 493 landline and 100 wireless exchanges serviced by 47 carriers. It is the largest area code in size in New York, extending from the eastern Mohawk Valley to the Vermont border, and from the Canadian border to south of Albany. The bulk of the area code's population is located in the Capital District (Albany, Schenectady and Troy). Other major cities in the area code are Glens Falls and Plattsburgh. ^source