Prefix overview
Phone numbers in prefix 443-434
This page covers the 443-434 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
443-434
RATE CENTER
FEDERALSBG
CARRIER
TELNYX LLC
MD
Prefix range
The prefix 443-434 includes numbers from 4434340000 to 4434349999.
This range is associated with the FEDERALSBG rate center and was originally assigned to TELNYX LLC.
Numbers in this prefix
20 numbers