Prefix overview
Phone numbers in prefix 413-381
This page covers the 413-381 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
413-381
RATE CENTER
SPRINGFLD
CARRIER
TWILIO INTERNATIONAL, INC.
MA
Prefix range
The prefix 413-381 includes numbers from 4133810000 to 4133819999.
This range is associated with the SPRINGFLD rate center and was originally assigned to TWILIO INTERNATIONAL, INC..
Numbers in this prefix
20 numbers