Bank of New Hampshire, Campton Branch Basic Info Reviews Routing Numbers Map & Direction Name: Bank of New Hampshire, Campton Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 21 Tower Road Campton, New Hampshire 03223 Grafton County View other branches Phone: 603-726-3442 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer011701903YN211770271YY From: To: