Double congrats !
Congratulations on your success ...
"Citi is not increasing credit lines at this time"
Citi is giving CLI's ...
Citi is handing out a lot of gold coins at this time they gave me $11,000 in CLI's over three cards last month.
"..Second call was to U.S. bank to apply for the new Altitude go visa, got instant approval on the phone for credit line of 10K."
Do you recall what your x/6 and x/12 were at the time of the app?
Also, did you have a prior relationship with US Bank prior to the app?