Two links to town codes for municipalities in New York (also other states). There is some overlapping in the towns listed and not all towns are listed. E-Codes Towns can be located by scrolling GCP You will need to use the edit/find feature of your browser to locate a town.
US GOVERNMENT SITES:
Census Tracts: Select a street find the number (also demographic data).
Hazardous Waste Sites: Select a Site find EPA identified hazards.