"Plus codes" are also known as "open location codes", and they are open source, not proprietary, nor do they rely on a central service. You appear to be confla

"Plus codes" are also known as "open location codes", and they are open source, not proprietary, nor do they rely on a central service. You appear to be conflating other proprietary systems with this open one. https://en.wikipedia.org/wiki/Open_Location_Code https://en.wikipedia.org/wiki/Open_Location_Code https://github.com/google/open-location-code https://github.com/google/open-location-code