Have questions about USPS shipping rates, need help with our calculator, or want to suggest a feature? Our team is ready to assist you with all your mailing needs.
Have questions about USPS shipping rates or need help with our calculator?
Thank you for contacting us! We've received your message and will get back to you within 24 hours.
What happens next?
• We'll review your message carefully
• A team member will respond via email
• For urgent issues, we typically respond within 2-4 hours
Find instant solutions to common questions
Learn more about USPS shipping and postal rates
While we don't offer phone support, we respond to all messages quickly. For the fastest response, please use the contact form above with detailed information about your issue.
Most messages answered within 4 hours during business days
Our team knows USPS rates and shipping inside and out
Our calculator and support are completely free to use
Use our free USPS calculator to find out exactly how many stamps you need for any mail item.
Use USPS Calculator