Yes, it still does, for VDSL (unlike ADSL) Annex B contains the bandplans for Europe, Annex A those for North America, and Annex C for Japan (not sure what the rest of the world is supposed to use).
It is possible that e.g. a device for the european market with the correct Annex A compatible blob will work in the US, but it is as far as I can tell not guaranteed.
Also as a side note. these lantiq xrx200 modems are often (not always) problematic if combined with Broadcom linecards when vectoring and/or G.INP retransmissions are used.
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