Postcards can take longer than you expect to arrive, and there are several things that can delay a postcard's registration, such as: slow postal services. the recipient of your postcard is on holiday or temporarily away. the recipient does not have an internet connection at home.
How long does it take a postcard to arrive?
It is generally delivered in 3-5 days nationally and 1-3 days in California and the Southwest. Also, the USPS provides free forwarding/return of your mail if the mailing address is outdated. U.S. Standard Rate, known sometimes as Bulk Mail, offers lower postage rates but has a longer delivery time.
Do postcards get lost in the mail?
Sometimes, mail does get lost, mis-delivered or even accidentally damaged or destroyed. If you send many postcards in Postcrossing, this is likely to happen to you as well at some point — it's part of the postal experience and, unfortunately, Postcrossing has no control over it. ... and postcards end up getting lost.