Shippingagencies expect busiest time of yearLubbockOnline.comBy TOMMY MAGELSSEN With the busiest shopping weekend now out of the way, United Statesshippingagencies are prepping for the busiest mailing season of the year. The United States Postal Service estimates 16.5 billion cards, letters and packages will...Postal Service providing holiday mailing dates and tipsKPUAall 3 news articles »