Looking for design, printing or shipping solutions? Stop by PostNet located at 324 S Diamond Bar Blvd in Diamond Bar, CA or give us a call at (909) 860-1490 - we can help! Our center is locally owned and operated, and known for providing exceptional customer service in the Diamond Bar community. For your convenience, we provide custom graphic design, high-quality printing, multi-carrier shipping services and more, so you can tackle everything on your to-do list quickly and in one place.
From business cards to signs, and all small business and personal print projects in between, we've got your back with our full-service printing capabilities. Need to ship something? We offer custom packing and shipping options through UPS, FedEx, US Postal Service and DHL, so you can always choose what works best for you.
Jenna was the only person who was able to help me locate my package. I had called the day before, but I felt dismissed and was simply told that it wasn’t there by a different employee. Thankfully, Jenna went the extra mile to investigate and discovered that my package had been placed in someone else’s mailbox. Her persistence, professionalism, and willingness to help made all the difference. I’m very grateful for her excellent customer service and appreciate the extra effort she put in to resolve the issue. Thank you, Jenna!
PK
Paul Kaye
Jun 8, 2026
4.0
it's a good store, sometimes a bit pricey. Staff is very helpful.
WL
Watkins L
May 30, 2026
5.0
I have came here to place an order at least twice. They are quite fast and the prices that they have are quite good!
I printed 1 inch size custom stickers and have also printed custom pvc poster. Both of the things I ordered were great quality.
Keep note that you will either have to pay in person or if you want to pay on the phone, you would need to give your credit card info on the phone. I hope they will have some sort of online payment method in the future.
RC
Rolando Collazo
Mar 3, 2026
4.0
Solid mailbox and copy service.
JL
Johnny Lee
Oct 1, 2020
5.0
Friendly customer service. I rarely have to wait. Usually in and out within 2-4 minutes.
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