Hours Of Operations Sierra Wireless California Porterville Sierra Wireless Hours of Operation and Locations in Porterville, CA 4.6 - 103 votes 1 Locations in Porterville www.lumassierratelecommunications.com Sierra Wireless Hours Category: Electronics Sierra Wireless - Porterville, CA 93257 600 N Prospect St, Ste K(559) 781-6600 View Store Details Explore PortervilleView More Apparel MarshallsCarharttBig 5 Sporting GoodsFactory 2-UKohl's Outlet Sports TargetBig 5 Sporting GoodsColemanBlack DiamondBally Incorporated Jewelry MarshallsKohl's OutletDon Roberto Jewelers Recommend For You Pc Laptop Repair Shop Aa Micro Computer Repair Brooklyn Salvation Data Recovery Evolution Tech Game Time Repairs Csr Design Data Analyzers Data Recovery Computer & Network Specialists Ab Computer Systems Incorporated