Servicios Tecnicos Sierras - Mexicali

Keeping Our Communities Safe and Connected. We're committed to being there for our customers and employees, and we always do our best to provide a safe environment. Reliable wireless service is important to the communities we serve, and we've been working around the clock so we can continue to provide award-winning service whether you visit our website, talk to us on the phone, or walk in a store. Need in-person assistance? Most stores open 11-7 (closed Sun). Call ahead to verify.