Prefix overview
Phone numbers in prefix 857-273
This page covers the 857-273 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
857-273
RATE CENTER
JAMAICA PL
CARRIER
COMCAST IP PHONE, LLC
MA
Prefix range
The prefix 857-273 includes numbers from 8572730000 to 8572739999.
This range is associated with the JAMAICA PL rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers