How do I calculate the lat/lon for a given location from a postal code database when there are multiple codes for a given location? For example, New York City has 165 postal codes.How do I calculate the lat/lon for a given loca
How do I calculate the lat/lon for a given location from a postal code database when there are multiple codes for a given location? For example, New York City has 165 postal codes.How do I calculate the lat/lon for a given loca