Prefix overview
Phone numbers in prefix 410-389
This page covers the 410-389 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
410-389
RATE CENTER
BALTIMORE
CARRIER
SPOK, INC.
MD
Prefix range
The prefix 410-389 includes numbers from 4103890000 to 4103899999.
This range is associated with the BALTIMORE rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers