GUAM Map on GO 620

[bluetoms]

I will be visiting GUAM in a few weeks. I planned some routes on Mytomtom drive online and synced them to my GO620 GPS. In the device, I am getting this message "Not on current map". My assumption is that the map is not available. I manually looked for the GUAM map and didn't find it. I downloaded oceanic maps as well, but it's not there either. Can someone let me know where to find GUAM map for GO620?

 

[dhn]

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