Can I Port My Existing Fax Number to eFax?
What You Need to Port an Existing Fax Number to eFax
Note: Qwest account numbers should be entered in the following format: XXX-XXX-XXXX-XXX. Qwest account numbers have a letter at the end; however, you may leave the letter off when filling out the port request. Also, the service address may be different than what is listed on your bill. Please check with your carrier, and submit the exact service address they have on file.