Prefix overview
Phone numbers in prefix 301-491
This page covers the 301-491 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
301-491
RATE CENTER
HAGERSTOWN
CARRIER
USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD
MD
Prefix range
The prefix 301-491 includes numbers from 3014910000 to 3014919999.
This range is associated with the HAGERSTOWN rate center and was originally assigned to USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD.
Numbers in this prefix
20 numbers