Maidenhead Grid Locator

All lookups run in the browser. Geocoding via OpenStreetMap Nominatim, callsign data from callook.info (FCC ULS).

Look up by address or zip

Grid square

Callsign

Grid precision:

Grid square:

Coordinates:

Location:

Callsign:

Name:

Class:

Grid square:

Address:

Expires:

FCC ULS record