Prefix overview
Phone numbers in prefix 737-737
This page covers the 737-737 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
737-737
RATE CENTER
SAN MARCOS
CARRIER
USFON, INC. - TX
TX
Prefix range
The prefix 737-737 includes numbers from 7377370000 to 7377379999.
This range is associated with the SAN MARCOS rate center and was originally assigned to USFON, INC. - TX.
Numbers in this prefix
20 numbers