Nancy Mutka » Staff Go back to directory. Add to Address Book. Nancy Mutka Office Manager Willoughby InsuranceK Work 646 Deleware st Tonawanda NY 14150 work Home Phone: 716-694-2200home Work Phone: 716-694-2200work Work Fax: 716-694-0974workfax Work Email: nancy@willoughbyinsurance.comINTERNET Website: http://www.willoughbyinsurance.com