18656 is zip code located in Colley Township, Pennsylvania. The population is 2,252, making 18656 the largest zipcode in Colley Township and the 2nd largest in Sullivan County.
There are 1 public schools in 18656 with an average Homefacts rating of A-. , and there are 0 registered sex offenders residing in the zip code 18656. Unemployment in 18656 is high.