Mailing resources and downloadables
Practical guides for a smoother mailing.
Use these current online resources to check dimensions, prepare files, estimate postage and answer common postal questions. Each guide can also be printed or saved as a PDF from your browser.
Start with the resource that matches your job.
These pages replace older static downloads with information that can be kept current as USPS requirements and prices change.
Mailpiece dimensions
Compare postcard, letter, flat and EDDM dimensions before artwork and production are finalized.
Open the dimensions guide →Money-saving mailing checklist
Gather the proof, list, quantity, schedule and production details needed for a reliable preflight.
Open the checklist →Bulk postage calculator
Enter finished dimensions, weight, quantity and mailing type to estimate a current postage range.
Estimate postage →Bulk mailing FAQ
Learn about permits, postage, lists, EDDM, printing, tabs, coatings, delivery timing and more.
Read the FAQ →USPS tools and standards
Find ZIP Codes, carrier routes, price notices, postal design standards and official USPS resources.
Browse helpful links →Free mailing preflight
Send the basic specifications before printing and let our team identify likely postal or production concerns.
Request a review →Not sure where to start?
Bring us the project you have.
Even if the list, artwork or quantity is not final, we can help identify the next useful step.
Ask about your mailing