The main phone number for HP printer customer support in the United States is **800-474-6836**, which offers 24/7 technical support[3]. For general customer service, you can also call:
– Home customer sales: **888-999-4747** (available daily 9am–12am EST)
– Business customer service: **866-625-0242** (Monday–Friday, 8am–8:30pm EST)[3][5].
If you want to reach HP Instant Ink support or other printer-specific assistance, calling the technical support number 800-474-6836 is recommended[3].
These numbers provide access to support representatives who can help with printing issues, Instant Ink questions, or product information.
For support outside the US or contract customers, other international or contract-specific numbers exist, but 800-474-6836 is the primary US technical support line[1][3].