Prefix overview
Phone numbers in prefix 302-400
This page covers the 302-400 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
302-400
RATE CENTER
NEW CASTLE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
DE
Prefix range
The prefix 302-400 includes numbers from 3024000000 to 3024009999.
This range is associated with the NEW CASTLE rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers