Montclair Post Office

5186 Benito St Montclair, CA 91763
Phone: 909-624-5438

Parking: Parking Lot Available
Post Office Lobby Hours
Monday 7:30am - 6:00pm
Tuesday 7:30am - 6:00pm
Wednesday 7:30am - 6:00pm
Thursday 7:30am - 6:00pm
Friday 7:30am - 6:00pm
Saturday 7:30am - 5:00pm
Sunday Closed


Montclair Post Office is a United States Postal Service (USPS) facility in Montclair, CA. This post office offers a full array of services, including package delivery and first class mail.


Business Reply Mail® Account Balance
Business Reply Mail New Permit
Burial Flags
Carrier Services
Duck Stamps
Greeting Card Services
Global Express Guranteed®
Money Orders (Domestic)
Money Orders (Inquiry)
Money Orders (International)
Pickup Hold Mail
Pickup Accountable Mail
Pickup Notice Left Mail
PO Boxes
Priority Mail International®
Sure Money

Passport Services at Montclair Post Office

Montclair Post Office can accept first-time passport applications, and can facilitate passport renewals. You can schedule an appointment at this post office by calling 909-624-5438 or schedule an appointment online using the Online Scheduling Tool. When you go to your appointment to apply for a new passport, you will need to bring the following items with you to the post office:

  1. A completed U.S. Passport Application form (DS-11)
  2. Proof of U.S. Citizenship. You will need to present original physical documentation proving your citizenship status (for example, your birth certificate). In addition, you will need to bring a photocopy of the document.
  3. Proof of Identity. You will need to show, for example, a driver's license. In addition, you will need to bring a photocopy of this identification document.
  4. A recent color photograph (a "passport photo") which must show the front of your face, and be 2x2 inches in size. Montclair Post Office does have passport photo services, and, for a fee, your photo can be taken there.

See this resource from the U.S. Department of State for full instructions on how to apply in person, including the full list of documents that can be used as proof of U.S. citizenship, and the full list of acceptable identification documents.

Nearby Post Offices

Plaza Center Post Office

1126 N Mountain Ave
Ontario, CA 91762

Claremont Post Office

140 Harvard Ave
Claremont, CA 91711

Downtown Ontario Post Office

123 W Holt Blvd
Ontario, CA 91762

Upland Post Office

333 E Arrow Hwy
Upland, CA 91785

Chino Post Office

5375 Walnut Ave
Chino, CA 91708

Pomona Post Office

580 W Monterey Ave
Pomona, CA 91769

Ontario Post Office

1555 E Holt Blvd
Ontario, CA 91761

La Verne Post Office

3355 N White Ave
La Verne, CA 91750

Chino Hills Post Office

14071 Peyton Dr
Chino Hills, CA 91709

Alta Loma Post Office

6649 Amethyst Ave
Rancho Cucamonga, CA 91701

Guasti Post Office

323 N Turner Ave
Guasti, CA 91743

San Dimas Post Office

300 E Bonita Ave
San Dimas, CA 91773