17777 is zip code located in Watsontown, Pennsylvania. The population is 6,927, making 17777 the largest zipcode in Watsontown and the 7th largest in Northumberland County.
There are 1 public schools in 17777 with an average Homefacts rating of B. , and there are 11 registered sex offenders residing in the zip code 17777. Unemployment in 17777 is very high.