Who called from 2136232168

It's the Los Angeles Public Library calling to let you know your reserved book is available, they won't leave a message for some reason unless you pick up

L.A. Public Library calling to let you know a reserved book is ready to be picked up.

I receive a call fron this number 213 623 2168 how do you know is from the libraryW9C9

unknown? No msg.

It's the fantastic and wonderful Los Angeles Public Library calling to let you know your book is available.  Sometimes they do leave messages, sometimes not.  But so cool that they phone you to let you know that your requested book has arrived at the library near you.