HP Support Phone Number 1-888-678-5401 is independent tech support service provider, offering remote tech support for third party products. Any use of the brand names, third party trademarks, services, product is for information purpose only. HP Support Phone Number here under disclaims any affiliation, sponsorship, or endorsement of or by any third-parties. The information provided in this site is to help customers only. It is not meant to be used or should be used for any commercial purposes. If your product is covered by warranty, the support service may be available for free from manufacturer.