Prefix 612-383 — Twin Cities, MN

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

Area code
612
Prefix (NXX)
383
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
2018-01-15
LATA
628

The 612-383 prefix belongs to area code 612 and is anchored to the Twin Cities rate center (MN). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

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.

NANPA's central-office code records list NEW CINGULAR WIRELESS PCS, LLC - IL (OCN 6534) as the code holder, assigned January 15, 2018. Because 612-383 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 612-383 is not proof the call came from Twin Cities: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.

Neighboring prefixes

Prefixes adjacent to 612-383
PrefixRate centerCode holder
612-380 Twin Cities NEW CINGULAR WIRELESS PCS, LLC - IL
612-381 Twin Cities QWEST CORPORATION
612-382 Twin Cities AERIAL COMMUNICATIONS, INC.
612-384 Twin Cities AERIAL COMMUNICATIONS, INC.
612-385 Twin Cities AERIAL COMMUNICATIONS, INC.
612-386 Twin Cities AERIAL COMMUNICATIONS, INC.

FAQ

Where is 612-383 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 612-383 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 612-383 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.