Lake Houston Area Lake Houston Coin & Bullion Share: Coin Dealer Lake Houston Coin & Bullion Visit Website P.O. Box 5070 Kingwood, TX 77325 (281) 913-2646 (866) 707-2646 (281) 913-4747 (fax) About About Full time dealer in U.s. rare coins/precious metal/currency. Dealer activities include: buy, sell, trade, free appraisal offered. Life time member of ANA. Also FUN & CJNS and the BBB.