Town Hall Address 137 West Fourth Street Mount Carmel, PA 17851 United States- Northumberland County Website http://www.mountcarmelborough.org/ Deed Registry 570.988.4143 https://www.norrycopa.net/index.php/public-records/ 201 Market Street Sunbury , PA 17801 United States Tax Collector (570) 339-4486 137 West Fourth Street Mount Carmel, PA 17851 United States Zoning (570) 339-4486 137 West Fourth Street Mount Carmel, PA 17851 United States Code Enforcement 570-339-6024 137 West Fourth Street Mount Carmel, PA 17851 United States County Northumberland