The General Aabaco Small Business Technical Support Phone Number is 408-916-2149, and the direct number to Aabaco web hosting support is 408-916-2116.
Additional Aabaco phone numbers you may find helpful:
Aabaco billing / web hosting / email support: 408-916-2149 or 408-916-2130
Merchant Solutions / Small Business customer care: 408-916-2110
Direct number to web hosting is:408-916-2116
Since writing about Yahoo Small Business and Aabaco hosting problems in 2015, I have been asked for these numbers in comments, via email, and on the phone. Hopefully you have found these numbers to be useful.