cmTemplate Block 5 Technologies Share: IT CONSULTING Block 5 Technologies Visit Website 25 Nashua Rd Unit E-1 Londonderry, NH 03053 (877) 545-2232 http://block5.com/ Facebook Hours: Standard business hours are 8:00 am to 5:00 pm daily. We offer 24/7 monitoring and support. About About At Block 5, we realize it’s not enough to simply understand technology. We also understand exactly what it means for you. Our business is helping your business thrive, not just survive.