Hours Of Operations SIMPLE Mobile California Union City 94587 SIMPLE Mobile Hours of Operation and Location in Union City, CA 94587 4.6 - 161 votes 31846 Alvarado Blvd, Union City, CA 94587 (510) 471-8800 Get Directions SIMPLE Mobile Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore Union CityView More Apparel Carter'sCatherinesMacy'sRainbowJustice Sports Sports AuthorityVansRoxySports Authority Sporting Goods Recommend For You H2O Wireless Metro PCS Verizon Wireless Dollar Store The Vitamin Shoppe ADT Champion I wireless Master Lock Omega