Contact Us

If you have any questions about the Herkimer Diamond Mines, the KOA Resort, or the Miners' Table Restaurant feel free to reach out to us via phone or email. We will be happy to respond to your inquiry!

For Herkimer Diamond Mines wholesale operations questions, please reach out to our corporate office Phone: 315-717-0175 (weekdays only) or
Email: diamonds@ntcnet.com

Miners' Village - Mining, Gift Shop, Canteen, and Sluicing:
Phone: 315-891-3099 
Email: diamonds@ntcnet.com

KOA Resort - Pricing, Availability & Reservations:
Phone: 315-891-7355
Toll-Free: 800-562-0897

Email: hdmkoa@ntcnet.com

Miners' Table - Restaurant & Event Hosting
Phone: 315-891-7355 
Email: minerstable.herkimer@gmail.com

Wholesale Opportunities:
Phone: 315-717-0175
Email: diamonds@ntcnet.com 

Mining Groups and Educational Programs:
Phone: 315-717-0175
Email:
diamonds@ntcnet.com

Mailing Address for Herkimer Diamond Mines and KOA Resort:
Herkimer Diamond Mines, Inc.,
800 Mohawk Street
Herkimer, NY 13350

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