Since 1982, LNS has been a member of the American Numismatic Association (ANA), www.money.org the premier numismatic association in the United States and works closely with their California Region VIII District Delegates.

      LNS is also a member of the California State Numismatic Society, CSNA, www.calcoin.org, organized in 1947 to promote, extend and protect numismatic activity throughout the state of California and to foster and encourage the study of Numismatics in all its forms and branches.. CSNA produces The California Numismatist — their  illustrated quarterly journal.

      LNS is also a member of the Northern California Numismatic Association (NCNA) organized in 1961 to provide hands-on-support to Northern California member clubs and produce the NorCal coin show. That organization’s support has been in club programming, coordination with other member clubs and with delegate attendance at club functions. NCNA P.O. Box 4104 Vallejo, CA, 94590-0410

      LNS also enjoys reciprocal working relations with the following sister clubs:

Peninsula Coin Club, PO Box 60484, Palo Alto, CA 94306-0484

Cupertino Coin Club, PO Box 448, Cupertino, CA 95015-0448

San Jose Coin Club, PO Box 5621, San Jose, CA 95150

San Francisco Coin Club, 2334 35th St, San Francisco, CA 94122

Pacific Coast Numismatic Society, PO Box 475656, San Francisco, CA 94147

Alameda Coin club, PO Box 1763, Alameda, CA 94201

Fremont Coin Club, PO Box 1401, Fremont, CA 94538

Vallejo Numismatic Society, PO Box 4281, Vallejo, CA 94590

Diablo Numismatic Society, PO Box 5473, Walnut Creek, CA 94596

Livermore Valley Coin Club, PO Box 610, Livermore, CA 94550

Napa Valley Coin Club, PO Box 2154, Napa, CA 94558

Fairfield Coin Club, PO Box 944, Fairfield, CA 94533

Solano Silver Round Club, PO Box 3518, Fairfield, CA 94533

Delta Coin Club, 1441 Middlefield Ave, Stockton, CA 95204

Gateway Coin Club, PO Box 3101, Merced, CA 95344