Where to mail a letter US Post today

Does anybody know where I can mail a letter before Tuesday? It's just a regular letter but it has a check I'd like to get going as soon as I can.

Thanks
Steve A

There is a late drop off place at the main facility. It's out near Dicks sporting goods park

Quote:

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Originally Posted by funkymonkey1111

There is a late drop off place at the main facility. It's out near Dicks sporting goods park

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Isn't that place open 24/7/365?

Take it to the GMF, Send it express mail. Looks like they have Sat & Sun PU.

usps.whitepages.com/service/post_office/gmf-finance-7550-e-53rd-pl-denver-co-1439607

Thanks for the help. I made it to the GMF before they closed.

I spent over 20 minutes beating my head against the wall at the USPS website and didn't find that. My neighbor said they closed that one but he obviously is wrong.

Thanks again.