Prefix overview
Phone numbers in prefix 512-277
This page covers the 512-277 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
512-277
RATE CENTER
BERTRAM
CARRIER
TELNYX LLC
TX
Prefix range
The prefix 512-277 includes numbers from 5122770000 to 5122779999.
This range is associated with the BERTRAM rate center and was originally assigned to TELNYX LLC.
Numbers in this prefix
20 numbers