- Manufacturer of Interlocking Concrete Pavers Since 1983 802 West Pembroke Avenue Hampton, Va. 23669 Phone........: (757) 723-0774 Toll Free...: (800) 572-3189 Fax........: (757) 723-8895 E-mail...: info@interlockonline.com Click here to see the Featured Specials PRODUCT SHAPES & PACKAGING: Appian Arrowhead & Arrowhead Squares Bullnose/ Brickface City-Square Classico Series Holland-Stone Series ...www.interlockonline.com