Prefix overview
Phone numbers in prefix 623-850
This page covers the 623-850 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
623-850
RATE CENTER
PHOENIX
CARRIER
ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM
AZ
Prefix range
The prefix 623-850 includes numbers from 6238500000 to 6238509999.
This range is associated with the PHOENIX rate center and was originally assigned to ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM.
Numbers in this prefix
20 numbers