How do I activate my prepaid Blackberry plan? The customer is required to text a keyword to short code 136 to subscribe to a Prepaid BlackBerry plan. The keyword per plan is as below: For example: Text keyword BB7 to 136 Related articles What are the prepaid plans for Blackberry? What is Blackberry Service? What are the advantages of Blackberry service? How do I display my own number on my phone? What is the Basic Eligibility Criteria?