Frontwave Credit Union Share: Banks & Financial Services Frontwave Credit Union Visit Website 36290 Hidden Springs Suite A and B Wildomar, CA 92595 760-631-8700 ext 1537 Hours: Mon. - Fri. 9 am to 6 pm Sat. 9 am to 4 pm About Map About Since 1952, PMCU has been serving the financial needs of Marines, Sailors & civilians living in So Cal. Today, membership is open to anyone living in San Diego, Riverside & San Bernardino Counties. What's Nearby? Distance: 5 10 15 20 25 50 mi.