Prefix overview
Phone numbers in prefix 610-257
This page covers the 610-257 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
610-257
RATE CENTER
PHPHSBZN23
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA
PA
Prefix range
The prefix 610-257 includes numbers from 6102570000 to 6102579999.
This range is associated with the PHPHSBZN23 rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA.
Numbers in this prefix
20 numbers