The number of phone numbers blocked by Verizon Wireless is up to 20. The customer calling plan and features subscribed to determine how many contacts or numbers are blocked.
Block five contacts without incurring fees on a temporary basis at no charge. These contacts are blocked from calling and texting for 90 days. Verizon customers find this in the My Verizon section online.
As of 2015, Verizon customers can sign up for Verizon FamilyBase. This feature has additional fees but allows up to 20 contacts to be blocked from multiple types of contact, including calls, messages, emails and instant messages.