---
title: "Area code 612: Minnesota, United States"
url: "https://lookvalid.com/area-code/612.md"
canonical_url: "https://lookvalid.com/area-code/612"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 612 serves Minnesota, United States. Number formats, numbering rules, a live phone validator and the other codes in Minnesota."
---

# Area code 612: Minnesota, United States

Area code 612 serves Minnesota, United States. Number formats, numbering rules, a live phone validator and the other codes in Minnesota.

NANPA lists 588 central office codes (prefixes) in use in area code 612, held by 36 holders across 2 rate centers.
The largest rate center is TWINCITIES, with 586 prefixes (100%).
Qwest holds the most prefixes, 145 (25%). 56% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 2,682 complaints on file for 2,088 numbers in 612, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1947-01-01
- Time zone: Central (C)
- Prefixes in use: 588
- Pooled prefixes: 327 (56%)
- Rate centers: 2
- Companies holding prefixes: 36
- Assignment dates on file: 2001-01-26 to 2025-12-16 (223 prefixes)

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| TWINCITIES | 586 | 100% |
| CAMBRIDGE | 2 | <1% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Qwest | 145 | 25% |
| Verizon Wireless | 95 | 16% |
| Aerial Communications | 93 | 16% |
| New Cingular Wireless PCS | 65 | 11% |
| Onvoy | 27 | 5% |
| Mcimetro Access Transmission Services | 23 | 4% |
| 30 other carriers | 140 | 24% |

A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company.

## History

- 1947-01-01: Area code 612 went into service.
- 1996-03-17: Area code 320 went into service and names 612 as its parent.
- 1998-07-12: Area code 651 went into service and names 612 as its parent.
- 2000-02-27: Area code 763 went into service and names 612 as its parent.
- 2000-02-27: Area code 952 went into service and names 612 as its parent.

## Complaints on file

2,682 complaints for 2,088 numbers. Numbers whose latest complaint falls in each year:

- 2023: 92
- 2024: 100
- 2025: 86

## Questions

### Where is area code 612?

NANPA assigns area code 612 to Minnesota, United States.

### In which state does area code 612 sit?

Minnesota. 612 is one of 8 area codes the NANPA table assigns to the state.

### Who owns area code 612?

NANPA assigns area codes. Within 612, Qwest holds the most prefixes, 145 prefixes or 25%.

### Which time zone does 612 use?

The NANPA NPA report lists the time zone for 612 as Central (C).

### What year did 612 enter service?

The NANPA NPA report gives an in-service date of 1947-01-01, so 612 has been in use since 1947.

### Does area code 612 have an overlay?

The NANPA NPA report lists no other area code in an overlay with 612.

### How many prefixes does area code 612 have?

NANPA's report dated 2026-10-17 lists 588 prefixes in service in 612, spread over 2 rate centers and 36 holders.

### Are there complaints about 612 numbers?

The FCC data on file has 2,682 complaints for 2,088 numbers in 612. They are unverified consumer reports. A number with no complaints on file is not proven safe.

Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).