The best way to find a location name when we only have the details like location number of that particular location and we are not able to trace the location on platform is by exporting the checkin data (Platform > Reports > Data Export > Checkin data) and selecting the field "Location", "Store Number" and "Location Name" specially to know the location name with which the location number is associated.
When the report is exported filter the report on behalf of the "Location" column where the Location numbers are available. Select the location number and here there you will find the location name and store number from which the location is associated with. Below is the attached screenshot for an example:
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