Hours Of Operations United Network Service Incorporated Maryland Baltimore 21230 United Network Service Incorporated Hours of Operation and Location in Baltimore, MD 21230 4.0 - 29 votes 1800 Washington Blvd, #421, Baltimore, MD 21230 (410) 779-3510 Get Directions United Network Service Incorporated Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore BaltimoreView More Apparel Sam's ClubCostcoMarshallsRoss Dress for LessBurlington Coat Factory Sports CostcoTargetSports AuthoritySkechersVans Jewelry Sam's ClubCostcoMarshallsBurlington Coat FactoryZales Recommend For You Concert Technologies Wind River Cricket Communications Manic Media Affordable Computer Repair Lockheed Martin Corporation Learfield Communications Ace Computer Repair The Computer Doctor Matrix Applications Llc