; run after connecting to port 80 of www.usps.gov
POST /cgi-bin/zip4/zip4inq2 HTTP/1.0
Referer: file:////cgi-bin/zip4/zip4inq2
Connection: Keep-Alive
User-Agent: Mozilla/4.7 [en] (WinNT; U)
Host: 127.0.0.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, image/png, */*
Accept-Encoding: gzip
Accept-Language: en,pdf
Accept-Charset: iso-8859-1,*,utf-8
Content-type: application/x-www-form-urlencoded
Content-length: 91

Firm=&Urbanization=&Delivery Address=1600 pennsylvania&City=washington&State=dc&Zip Code=
