Prefix overview
Phone numbers in prefix 530-357
This page covers the 530-357 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
530-357
RATE CENTER
OLINDA
CARRIER
HAPPY VALLEY TEL. CO.
CA
Prefix range
The prefix 530-357 includes numbers from 5303570000 to 5303579999.
This range is associated with the OLINDA rate center and was originally assigned to HAPPY VALLEY TEL. CO..
Numbers in this prefix
20 numbers