Prefix overview
Phone numbers in prefix 214-421
This page covers the 214-421 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
214-421
RATE CENTER
DALLAS
CARRIER
SOUTHWESTERN BELL
TX
Prefix range
The prefix 214-421 includes numbers from 2144210000 to 2144219999.
This range is associated with the DALLAS rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers