Prefix overview
Phone numbers in prefix 301-377
This page covers the 301-377 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
301-377
RATE CENTER
LAUREL236
CARRIER
COMCAST IP PHONE, LLC
MD
Prefix range
The prefix 301-377 includes numbers from 3013770000 to 3013779999.
This range is associated with the LAUREL236 rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers