The Capital One SMS messaging program uses SMS short codes 227898, 227767, 22580, 21936, and 227663 for important account servicing text messages, such as fraud alerts. Frequency of text messages may vary. Text "Stop" to end further messages or “Help” for assistance. Message and data rates may apply. T-Mobile® is not liable for delayed or undelivered messages. The following carriers are supported: Verizon Wireless, AT&T, Sprint, T-Mobile®, Metro®, Boost, Virgin Mobile USA & U.S. Cellular®.