Guaranteed next day service is available for most major metropolitan ZIP Codes. Delivery guarantees for destinations outside of urban areas typically reflect two day delivery and up to three days for rural destinations. If you have questions about Priority Mail Express delivery guarantees for specific ZIP Codes, please contact Customer Support at 866-665-2787 or . Our hours of operation are Monday - Friday, 9 AM to 8 PM Eastern.
You can also use this tool on USPS.com to view delivery expectations for specific ZIP Codes . You must enter 48509 as the "From ZIP Code" because this is the location from which Click2Mail will mail your Priority Express Mail® letter. Enter the destination zip code in the "To ZIP Code" field.