Originally Posted by
uncflyer16
Yes, you can switch back and forth between the regular HH Amex and the Surpass. They'll let you keep the same account number so this shouldn't be considered a new line. In fact, I moved from Delta Amex to the HH to the Surpass back to HH. (i had a year of heavy hilton stays). I have the same card number as in the beginning. It's reported as the same card on my credit report.
did you get sign-up bonuses for all the cards when switching? That would be nice to know if you can go HH-Surpass-HH and get all 3 sign-up bonuses