Prefix 612-439 — Twin Cities, MN

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

Area code
612
Prefix (NXX)
439
Rate center
Twin Cities
State
Minnesota
Time zone
Central
Code holder
BANDWIDTH.COM CLEC, LLC - MN
OCN
980E
Pooled
Yes (thousands-block pooling)
Assigned
2019-07-05
LATA
628

A phone number starting 612-439 was issued in the Twin Cities rate center of MN — part of area code 612.

NANPA's central-office code records list BANDWIDTH.COM CLEC, LLC - MN (OCN 980E) as the code holder, assigned July 5, 2019. Because 612-439 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

A scammer can display 612-439 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 612-439
PrefixRate centerCode holder
612-436 Twin Cities ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM
612-437 Twin Cities CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN
612-438 Twin Cities AERIAL COMMUNICATIONS, INC.
612-440 Twin Cities BANDWIDTH.COM CLEC, LLC - MN
612-441 Twin Cities CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN
612-442 Twin Cities LEVEL 3 COMMUNICATIONS, LLC - MN

FAQ

Where is 612-439 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 612-439 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 612-439 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.