Kelayres is a census-designated place in Kline Township, Schuylkill County, Pennsylvania, United States on Broad Mountain, just west of McAdoo. Reservoir Number 8 is just west of Kelayres and drains n…Kelayres is a census-designated place in Kline Township, Schuylkill County, Pennsylvania, United States on Broad Mountain, just west of McAdoo. Reservoir Number 8 is just west of Kelayres and drains northward into the Catawissa Creek, a tributary of the Susquehanna River. It is served by the Hazleton Area School District. The local pronunciation of the village is "Key-lar-es" and its ZIP code is 18231. As of the 2010 census the population was 533 residents. Kelayres is in area code 570, served by the 929 McAdoo exchange.