Prefix 612-274 — Twin Cities, MN

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

Area code
612
Prefix (NXX)
274
Rate center
Twin Cities
State
Minnesota
Time zone
Central
Code holder
NEW CINGULAR WIRELESS PCS, LLC - IL
OCN
6534
Pooled
Yes (thousands-block pooling)
Assigned
2017-06-20
LATA
628

612-274 identifies a block of numbers in Twin Cities, MN, within the 612 area code. Every US prefix is tied to exactly one rate center; this one is Twin Cities.

The rate center lies in the Minneapolis-St. Paul-Bloomington, MN-WI Metropolitan Statistical Area. The serving LATA is 628. Local time follows the Central zone.

Treat the on-screen number as a hint, not evidence — 612-274 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.

NANPA's central-office code records list NEW CINGULAR WIRELESS PCS, LLC - IL (OCN 6534) as the code holder, assigned June 20, 2017. Because 612-274 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Neighboring prefixes

Prefixes adjacent to 612-274
PrefixRate centerCode holder
612-271 Twin Cities CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN
612-272 Twin Cities AERIAL COMMUNICATIONS, INC.
612-273 Twin Cities QWEST CORPORATION
612-275 Twin Cities AERIAL COMMUNICATIONS, INC.
612-276 Twin Cities QWEST CORPORATION
612-277 Twin Cities PAETEC ITEL, LLC

FAQ

Where is 612-274 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 612-274 numbers?

NEW CINGULAR WIRELESS PCS, LLC - IL 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 612-274 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.