Prefix overview
Phone numbers in prefix 630-383
This page covers the 630-383 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
630-383
RATE CENTER
OSWEGO
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL
IL
Prefix range
The prefix 630-383 includes numbers from 6303830000 to 6303839999.
This range is associated with the OSWEGO rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL.
Numbers in this prefix
20 numbers