The USPS has a page up showing the zip codes that are either closed for now, or are in limited operation, in the Katrina-affected areas of Louisiana, Mississippi, and Alabama.
We had planned to mail the latest portraits of our two year-old to my grandmother, who lives slightly west of Meridian, MS, and to my father-in-law, who is north of Lake Pontchartrain. Neither will be receiving mail for the forseeable future. I thought I would post the Postal Service’s service link in case anyone else was wondering about mail to the affected areas.