Prefix overview
Phone numbers in prefix 313-456
This page covers the 313-456 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
313-456
RATE CENTER
DETROITZN1
CARRIER
MICHIGAN BELL TEL CO
MI
Prefix range
The prefix 313-456 includes numbers from 3134560000 to 3134569999.
This range is associated with the DETROITZN1 rate center and was originally assigned to MICHIGAN BELL TEL CO.
Numbers in this prefix
20 numbers