To contact HP by telephone, here are key phone numbers based on your needs:

– **General HP Customer Service (24/7):** 800-752-0900 (for returns, repairs, technical support, warranty claims, etc.)[5].
– **HP Sales for Home Customers:** 888-999-4747 (7 days a week, 9 am – 12 am EST)[3].
– **HP Sales for Business Customers:** 866-625-0242 (Monday – Friday, 8 am – 8:30 pm EST)[3].
– **HP Store General Contact:** 855-785-2777[3].
– **Hewlett Packard Enterprise (HPE) Technical Support:** 1-800-633-3600 or +1 678-259-9105 (24×7 in US and Canada)[1].

You can also find chat and email support options on the official HP support website[2][4].

These numbers help you connect to specific HP services from customer support to sales and enterprise technical help.