Prefix overview
Phone numbers in prefix 669-357
This page covers the 669-357 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
669-357
RATE CENTER
SUNNYVALE
CARRIER
SHELCOMM
CA
Prefix range
The prefix 669-357 includes numbers from 6693570000 to 6693579999.
This range is associated with the SUNNYVALE rate center and was originally assigned to SHELCOMM.
Numbers in this prefix
20 numbers