Prefix overview
Phone numbers in prefix 858-434
This page covers the 858-434 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
858-434
RATE CENTER
RNCHOPNQTS
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA
CA
Prefix range
The prefix 858-434 includes numbers from 8584340000 to 8584349999.
This range is associated with the RNCHOPNQTS rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA.
Numbers in this prefix
20 numbers