U.S. Census Bureau Geocoder
https://geocoding.geo.census.gov/geocoder/

Some meetup-place pins come from the U.S. Census Bureau Geocoder, and we use it to check that a place's pin matches its street address as published online. Census Bureau data are
works of the U.S. Government and are in the public domain in the United States.

BinderPlug is not endorsed or certified by the U.S. Census Bureau.