Monrovia Post Office

225 S Ivy Ave, Monrovia, CA 91016

Contact Numbers

Phone: 626-256-6019
Fax: 626-358-6379
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 5:00am - 8:00pm
Tuesday 5:00am - 8:00pm
Wednesday 5:00am - 8:00pm
Thursday 5:00am - 8:00pm
Friday 5:00am - 8:00pm
Saturday 5:00am - 8:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:30pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • Street Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

41 Wheeler Ave
1.3 miles away

1220 Highland Ave
1.4 miles away

Sierra Madre
61 S Baldwin Ave
2.2 miles away

West Arcadia
725 W Duarte Rd
2.5 miles away


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On today's delivery (6/2/2022) the delivery person left mail on our porch chair rather than putting the mail into the mailbox. There was sufficient room in the mailbox. This is very unprofessional and should be discussed with your delivery personnel. I hope this does not happen again.


Our delivery service is spotty and inconsistent. we rarely get our mail at our house, it goes to any of the neighbors. complaints get no resolution. Phones can ring 20X or more before put on hold. Poinsettia Ave we are told doesn't have a designated carrier, rather given to a carrier to pick up based on need. Its awful.


I tried to use the new automated postal machine recently. Frankly it was very difficult to navigate. The screen did not match the buttons below. Then I find that the package drop is not available. Please, can't we do better than this???


I would like to comment whoever is the assigned post master in our area. 1854 So. Mayflower Avenue, Monrovia, CA 91016. There's always mails misplaced in our respective boxes. Already informed the post master that only these specific persons live in this house. Also, this morning, when I pick up the mail, there are several mails outside the designated mailbox. I don't why whoever is the assigned post master can't be more careful and put the specific mails in their boxes because any stranger can pick up the said mail. There are many people passing the said street wherein there are many fraudulent nowadays. We have to be more careful with our mails. I don't want the post master to be in trouble just be more careful and aware of the way the mails to be distributed in their respective boxes. Thank yo.


As of April 21, 2017 it has been over 2 months since the inside package dropoff went out of service.


Can I please get the Matt Holliday relic card it would make my sisters day because she was mad about the cardinals not signing him a new contract and I am a real big cards fan


We had our mail stopped for a whole week while on family vacation and (of course) came home to an empty mailbox. Now that we (of course) want to pick it up, they say THEY CAN'T FIND IT! We have spoken with 2 different people about this and NO ONE SEEMS TO CARE. We were expecting some court papers, among other normal and important mail. Wtf??


Seriously, someone needs to pay attention to sorting mails. I am getting tons of my neighbors mails. Some are even from blocks away from me. My mails are of course in my next door neighbors. This is just annoying and these employees are just giving bad image to USPS. Don't make it worse as it is by hiring employees who don't care. They collect their paychecks right? Then, in return serve better! Golden rule: Don't do to others what you don't want them do to you. Simple as that.


White lady, big hair. Bad attitude. Shouldn't help in the front! Needs customer service training!

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