Contact MagmaMags Subscriptions Interested in changing addresses? have a question about billing? drop us an email and we will help you right away. You may also call us at 510.332.8850 or write to us at: MagmaMags Subscriptions 1887 Alcatraz Ave Berkeley, CA 94703 Please fill out the following form and we will return your email within 48 hours. Thank You! Issue General Question Order Inquiry Subscription Price Inquiry Bulk Discount Educational Discount Billing Question Renewal Change of Address Your Name: email: customer ID: Order ID: Street Address: Message: