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