Prefix 612-257 — Twin Cities, MN

NANPA CO code assignment, current as of July 28, 2026.

Area code
612
Prefix (NXX)
257
Rate center
Twin Cities
State
Minnesota
Time zone
Central
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN
OCN
5816
Pooled
Yes (thousands-block pooling)
Assigned
2015-08-17
LATA
628

A phone number starting 612-257 was issued in the Twin Cities rate center of MN — part of area code 612.

The assigned code holder is CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN, operating company number 5816, assigned August 17, 2015. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

A scammer can display 612-257 without ever touching MN. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.

Twin Cities is part of the Minneapolis-St. Paul-Bloomington, MN-WI Metropolitan Statistical Area. For routing purposes it sits in LATA 628. Numbers here keep Central time.

Neighboring prefixes

Prefixes adjacent to 612-257
PrefixRate centerCode holder
612-254 Twin Cities ONVOY, LLC - MN
612-255 Twin Cities ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM
612-256 Twin Cities LEVEL 3 COMMUNICATIONS, LLC - MN
612-258 Twin Cities CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN
612-259 Twin Cities PAETEC ITEL, LLC
612-260 Twin Cities LEVEL 3 COMMUNICATIONS, LLC - MN

FAQ

Where is 612-257 located?

The prefix is assigned to the Twin Cities rate center in MN, area code 612. It is part of the Minneapolis-St. Paul-Bloomington, MN-WI Metropolitan Statistical Area.

Which company owns 612-257 numbers?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.

Is a call from 612-257 safe to answer?

The prefix itself says nothing about the caller. Legitimate Twin Cities businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.