Fontana, CA post office locations

• 92335

  Post Office	Address	Phone	Hours
  FONTANA	8282 SIERRA AVE FONTANA, CA 92335 - 9998	909-822-8030	Mon-Fri 8:30am - 5:00pm Sat 10:00am - 4:00pm Sun Closed

• 92337

  Post Office	Address	Phone	Hours
  SOUTHSIDE	16731 SANTA ANA AVE FONTANA, CA 92337 - 9997	909-350-3466	Mon-Fri 10:00am - 5:00pm Sat-Sun Closed