Official source for zip code info and county names

[BenConner]

Hi,

While we have the zipcode dataset in the SASHELP library, is there an official source for zip code data and/or spellings of county names?  One of them I'm wrestling with is St. Francis county vs Saint Francis county in Arkansas.  I can map the data either way, but wanted to stick to the official spelling.

Thanks!

--Ben

[Reeza]

Check the US Census bureau or Post Office, but I'm fairly certain that's where the maps data originally come from anyways.

https://support.sas.com/rnd/datavisualization/mapsonline/html/home.html