Hours Of Operations Extreme Networks Incorporated Virginia Herndon 20170 Extreme Networks Incorporated Hours of Operation and Location in Herndon, VA 20170 4.0 - 126 votes 220 Spring St, Herndon, VA 20170 (703) 437-9628 Get Directions Extreme Networks Incorporated Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore HerndonView More Apparel TJ MaxxKmartBig LotsKohl's OutletVisionworks Sports VansSnap FitnessS & A SportsBlades Jewelry Kohl's OutletAvonHerberger's Recommend For You Friendly Computers H & H Computer Micro Tek Solartech Solutions Incorporated Staples - Computers & Printing Sun Gard Technology Solutions Training Group Tsr Incorporated