Reference Data Rate Center Directory OAK KNOLL, CA Rate Center OAK KNOLL — CA Data last updated: March 10, 2026 LATA 724 State CA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 41.83605865170154, -122.8477170722357 Area Codes 530 Top Carriers Carrier OCN NXX Count SISKIYOU TEL. CO. 2339 1
