Prefix overview
Phone numbers in prefix 557-217
This page covers the 557-217 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
557-217
RATE CENTER
SAPPINGTON
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - IL
MO
Prefix range
The prefix 557-217 includes numbers from 5572170000 to 5572179999.
This range is associated with the SAPPINGTON rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - IL.
Numbers in this prefix
20 numbers