Notchnet, Inc. Share: MarketingTelecommunicationsAdvertising/Promotions Visit Website 149 West Main Street Littleton, NH 03561 (603) 444-0700 LinkedIn Facebook Hours: Mon. through Fri. 9:00 -5:00 About Map About Web Marketing Services for small businesses and non-profit organizations.Mobile web design, web hosting, digital advertising and email marketing services. Certified Solution Provider for Constant Contact. What's Nearby? Distance: 5 10 15 20 25 50 mi.