Prefix overview
Phone numbers in prefix 551-574
This page covers the 551-574 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
551-574
RATE CENTER
CLIFFSIDE
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - DC
NJ
Prefix range
The prefix 551-574 includes numbers from 5515740000 to 5515749999.
This range is associated with the CLIFFSIDE rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - DC.
Numbers in this prefix
20 numbers