Prefix 612-428 — Twin Cities, MN

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

Area code
612
Prefix (NXX)
428
Rate center
Twin Cities
State
Minnesota
Time zone
Central
Code holder
BANDWIDTH.COM CLEC, LLC - MN
OCN
980E
Pooled
Yes (thousands-block pooling)
Assigned
2019-01-14
LATA
628

The 612-428 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 BANDWIDTH.COM CLEC, LLC - MN (OCN 980E) as the code holder, assigned January 14, 2019. Because 612-428 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 612-428 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 612-428
PrefixRate centerCode holder
612-425 Twin Cities NEW CINGULAR WIRELESS PCS, LLC - IL
612-426 Twin Cities LEVEL 3 COMMUNICATIONS, LLC - MN
612-427 Twin Cities CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN
612-429 Twin Cities CSC WIRELESS, LLC
612-430 Twin Cities CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN
612-431 Twin Cities BANDWIDTH.COM CLEC, LLC - MN

FAQ

Where is 612-428 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 612-428 numbers?

BANDWIDTH.COM CLEC, LLC - 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 612-428 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.