La Mesa, CA Post Offices
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91942
Post Office Address Phone Hours GROSSMONT 5500 GROSSMONT CENTER DR STE 440 LA MESA, CA 91942 - 9996 619-460-4659 Mon-Fri 10:00 AM - 05:00 PM Sat Closed Sun Closed LA MESA ANNEX 6055 LAKE MURRAY BLVD LA MESA, CA 91942 - 9997 619-460-4659 Mon-Fri 10:00 AM - 04:00 PM Sat 10:00 AM - 01:00 PM Sun Closed LA MESA FINANCE 8064 ALLISON AVE LA MESA, CA 91942 - 9994 619-460-4659 Mon-Fri 09:00 AM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed