1st Class Mailings and Returned Mail

Mailing at 1st-Class rates can result in mail being returned and not being deliverable as addressed.   There can be a lot of reasons why mail could be returned as not deliverable.  Some of the biggest reasons could include:

• The person addressed moved and did not file a change of address with the post office
• An apartment number or suite number was not included as part of the address.
• An internal mailstop number wasn't included - some large companies require this before their internal mailroom will deliver it.

Most reputable list compilers keep their lists updated on a regular basis - but