Prefix overview
Phone numbers in prefix 337-355
This page covers the 337-355 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
337-355
RATE CENTER
FRANKLIN
CARRIER
ADVANCED TEL., INC. - LA
LA
Prefix range
The prefix 337-355 includes numbers from 3373550000 to 3373559999.
This range is associated with the FRANKLIN rate center and was originally assigned to ADVANCED TEL., INC. - LA.
Numbers in this prefix
20 numbers