Prefix overview
Phone numbers in prefix 304-380
This page covers the 304-380 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
304-380
RATE CENTER
CHRLSTNZN1
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
WV
Prefix range
The prefix 304-380 includes numbers from 3043800000 to 3043809999.
This range is associated with the CHRLSTNZN1 rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers