Castle Rock Post Office
does not have retail counter servicesThis USPS post office is located in Castle Rock, CO where the date and time is currently: 4/4/2026, 7:35:03 AM
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0.0 mi
6.2 mi
7.4 mi
9.5 mi
11.0 mi
Phone numbers
- Phone:303-814-6932
- Fax: 303-688-3731
Services at Castle Rock Post Office
Parking lot available. Here's what you can do at this location:
PO Box & Mail
- PO Box (Online Management)
- Rent a PO Box and manage billing online. A PO Box gives you a secure, private mailing address — useful if you run a business or want to separate personal and business mail.
Other Services
- Customer Service Referrals
- Staff can help answer questions or direct you to the right resource for issues with mail delivery, address changes, or other USPS services.
- Greeting Cards with Postage
- Buy greeting cards that already include postage — write your message, address it, and drop it in the mail. No stamps needed.