The Congressional District Deliveries Report can be obtained through House Postal Operations at 202–225–4355 or ordered online through the House Postal Operations Web site. This report details the carrier route delivery statistics by Post Offices and ZIP Codes serving congressional districts. House offices should review this report carefully prior to ordering the printing of their mailing and should contact their Postal Service Government Relations Representative with any questions about the contents. The mailing must be submitted to the Postal Service business mail entry unit accompanied by a Congressional District Deliveries Report prepared no more than 60 days before the mailing.