Note: Only the standard sized postcard is eligible for postcard rates.
Regulations vary in every city, county, & state. If you are planning on mailing your postcard, make sure your backside layout complies with current regulations. The Post Office requires a 5/8" clearance on the botton right side.
The Post Office will print a bar code for postal scanning in this area. If there is text in this area, the Post Office will afix a white label that will cover up any type. Try to avoid this space entirely when designing your mailer.
POSTAL REGULATIONS
Return Address
The Post Office will scan your card from bottom to top
and read the first five digits (usually the zip code). Your return address
should be higher than the address labels. Doing this will eliminate the
risk of having all your mailed postcards rejected or returned.
More specific information regarding postal requirements
for automated mailing can be found
at the US Postal Service web site.
at the US Postal Service web site.