Fontana, CA Post Offices
-
92335
Post Office Address Phone Hours FONTANA 8282 SIERRA AVE FONTANA, CA 92335 - 9998 909-822-8030 Mon-Fri 08:30 AM - 05:00 PM Sat 10:00 AM - 04:00 PM Sun Closed -
92337
Post Office Address Phone Hours SOUTHSIDE 16731 SANTA ANA AVE FONTANA, CA 92337 - 9997 909-350-3466 Mon-Fri 10:00 AM - 05:00 PM Sat-Sun Closed