Location codes that begin with "G" are geographic centroid location codes. Geographic centroids may be returned if the street centroid fallback option is enabled and an address-level geocode could not be determined. Geographic centroid location codes indicate the quality a city, county, or state centroid.
A geographic centroid location code has the following characters.
| 1st character | Always "G" indicating a location derived from a geographic centroid. |
| 2nd character | Geographic area type. One of the following:
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