where can I fins a free us map with zip codes?

Answer 1

You can't. You can, however, go to any Post Office and purchase a US Post Office Zip Code Book (actually two books). They break zip codes down in every US City down to the street. Two very large books that will run you about $12.00 a piece.

Answer 2

http://www.zipcodesmap.com/

Excellent website, check it out, it may just solve your problem! Good luck