Print or download a blank map of the 50 states, labelled or not - here in this tab, with nothing uploaded.
Teachers print blank US maps by the classroom-full. This one is free, needs no sign-up, and is drawn in your browser at print quality.
Yes, below the lower 48 as on most US maps.
Set Labels to Codes for two-letter postal codes, or Names for the full names. The small north-eastern states are labelled off the coast with leader lines.
Use the US map maker: click states to colour them, then save or print the result.
Yes, for anything, commercial work included. The map data is public domain (Natural Earth and the US Census Bureau); there is no watermark and no credit required.