What:

On Saturday, Sept. 25, the Riverside Main Post Office will commemorate a once-a-century alignment of the date on the calendar--9.25.21--with the ZIP Code of its subsidiary University of California at Riverside Post Office--92521.

The alignment of calendar dates with ZIP Codes occurs only once a century and in relatively few locations nationwide.

The alignment will be marked by the sale of special commemorative envelopes at the Riverside Post Office that feature a “92521 Date Meets ZIP” postmark, as depicted above. The special postmark will also be available at that office to cancel mailable items presented by customers.

Riverside residents and UC Riverside students are invited to visit the Riverside Post Office to enjoy refreshments, obtain the commemorative cancellation and to purchase the special envelopes, which will be available while supplies last.

“We’re excited and honored to host this rare event,” said Riverside Postmaster Tanya Toedt-Fitzharris. “It recognizes the unique ties between USPS and our community. As outlined in USPS’s Delivering for America plan, we are committed to serving the changing needs of our customers nationwide, from Rochester to Riverside.”

Who:

Tanya Toedt-Fitzharris
Postmaster
Riverside Main Post Office

When:

Saturday, Sept. 25, 2021

• Refreshments at Cedar Glen Post Office – all day, while supplies last
• Sale of envelopes & special postmark – all day

Where:

Riverside Main Post Office
4150 Chicago Ave
Riverside CA 92507

The Postal Service generally receives no tax dollars for operating expenses and relies on the sale of postage, products, and services to fund its operations.

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