Prefix overview
Phone numbers in prefix 563-574
This page covers the 563-574 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
563-574
RATE CENTER
DELMAR
CARRIER
F&B COMMUNICATIONS, INC. - IA
IA
Prefix range
The prefix 563-574 includes numbers from 5635740000 to 5635749999.
This range is associated with the DELMAR rate center and was originally assigned to F&B COMMUNICATIONS, INC. - IA.
Numbers in this prefix
20 numbers