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by londons_explore 670 days ago
> due to privacy concerns or legal reasons.

There are probably only ~10,000 phone trees that cover the vast majority of calls in the USA.

If a phone tree is seen by many users and is identical, there is probably no privacy reason not to publish it. Even moreso if the total number of digits typed in quick succession is < 4 (ie. user hasn't entered some password to get in). A human operator could be the final check.