How do I change the mailing address listed on my Paceline Card Account? October 21, 2021 17:39 Updated You can change your mailing address by calling RailsTech’s 24/7 Customer Service at (844) 333-3076. Related articles How do I change the email address listed on my Paceline Card Account? How do I change the primary phone number listed on my Paceline Card Account? How do I lock or unlock my card? What if my Paceline Card Account is locked because of too many sign-in attempts? Am I able to open a joint credit card account with the Paceline Credit Card?