Hours Of Operations SIMPLE Mobile California National City 91950 SIMPLE Mobile Hours of Operation and Location in National City, CA 91950 4.8 - 162 votes 51 N Highland Ave Ste J, National City, CA 91950 (619) 263-1000 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 National CityView More Apparel Ross Dress for LessBig LotsH & MJCPenneyFactory 2-U Sports TargetLA FitnessSkechersRobert Wayne FootwearMotherhood Maternity Jewelry ZalesKay JewelersCharming CharlieDaniel's JewelersJared - Galleria of Jewelry Recommend For You H2O Wireless American Eagle Outfitters Kids Foot Locker The Children's Place 99 Cents Only Stores Ross Stores New York & Company Disney Store ADT Ferguson