Prefix overview
Phone numbers in prefix 443-417
This page covers the 443-417 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
443-417
RATE CENTER
FALLSTON
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC - MD
MD
Prefix range
The prefix 443-417 includes numbers from 4434170000 to 4434179999.
This range is associated with the FALLSTON rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC - MD.
Numbers in this prefix
20 numbers