Prefix overview
Phone numbers in prefix 509-343
This page covers the 509-343 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
509-343
RATE CENTER
SPOKANE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
WA
Prefix range
The prefix 509-343 includes numbers from 5093430000 to 5093439999.
This range is associated with the SPOKANE rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers