Should I use spaces or dashes when I enter my credit card number? Updated December 23, 2021 16:22 No. Enter your credit card number without any spaces or special characters. It should be entered as a continuous string of numbers. Related articles Does my billing address have to match the address on file with my credit card? Do I have to pay sales tax? When will my credit card be charged? How do I adjust Bass and Treble tone controls in Bluesound? Why is my credit card being rejected?