Prefix overview
Phone numbers in prefix 210-200
This page covers the 210-200 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
210-200
RATE CENTER
SANANTONIO
CARRIER
AT&T - LOCAL
TX
Prefix range
The prefix 210-200 includes numbers from 2102000000 to 2102009999.
This range is associated with the SANANTONIO rate center and was originally assigned to AT&T - LOCAL.
Numbers in this prefix
20 numbers