Prefix overview
Phone numbers in prefix 509-420
This page covers the 509-420 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
509-420
RATE CENTER
RICHLAND
CARRIER
ONVOY, LLC - WA
WA
Prefix range
The prefix 509-420 includes numbers from 5094200000 to 5094209999.
This range is associated with the RICHLAND rate center and was originally assigned to ONVOY, LLC - WA.
Numbers in this prefix
20 numbers