Waterloo, Wisconsin Phone Lookup

Q: How do I look up a phone number in Waterloo, Wisconsin?

Enter the full 10-digit number into the search box and click Search. 411FCC returns the owner's name, location, carrier, and line type. The lookup covers all 1 area code serving Waterloo.

Q: What types of phone numbers are in Waterloo?

Waterloo has both wireless and landline numbers. Approximately 0% of prefixes are wireless, with 100% being landline or VoIP. 411FCC results identify the line type and carrier for any number searched.

Find the owner of any phone number in Waterloo, Wisconsin.

What Phone Numbers Are in Waterloo, Wisconsin?

Looking up a phone number in Waterloo, Wisconsin? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Waterloo is served by 1 area code and has 3 active phone prefixes.

1 Area Code

3 Phone Prefixes

0% Wireless

100% Landline

Area Codes Serving Waterloo

Phone numbers in Waterloo, Wisconsin use the following area code: 920.

Top Phone Carriers in Waterloo

The most common phone service providers in Waterloo include:

Onvoy, Llc - Wi
Bandwidth.com Clec, Llc - Wi
Frontier North Inc. - Wi
Eon Telecom, Inc.
Charter Ip Enabled Services, Llc

Data current as of March 2026

Nearby Cities in Wisconsin

Other cities in Wisconsin that share area codes with Waterloo:

Waterloo at a Glance

3,600 Population

37.8 Median Age

$87,776 Median Income

1,644 Housing Units

69% Homeownership

Demographics

White 86.5%
Black 0%
Hispanic 16.3%
Asian 0.3%
Other 0%

Financial Profile

$69,851 Avg. Income per Return

$51,476 Avg. Wages per Return

2,760 Tax Returns Filed

1 ZIP Codes

Frequently Asked Questions

What Area Codes Serve Waterloo, Wisconsin?

Phone numbers in Waterloo, Wisconsin use 1 area code: 920. These area codes are shared with other cities in the region. Waterloo has 3 active phone prefixes assigned to local carriers. If you received a call from one of these area codes, enter the full 10-digit number into the search box above to find out who called. The area code alone tells you the general geographic region, but a full reverse phone lookup on 411FCC reveals the specific owner, carrier, and line type associated with the number.

How Do I Look Up a Phone Number in Waterloo, Wisconsin?

To look up any phone number in Waterloo, enter the full 10-digit number into the search box at the top of this page and click Search. 411FCC returns available information about the number including the registered owner's name, location, phone carrier, and whether it is a wireless cell phone, landline, or VoIP line. The lookup covers all 1 area code serving Waterloo and works for numbers from every carrier in the area. Results appear within seconds. 411FCC has maintained its phone number database since 2003.

What Types of Phone Numbers Are in Waterloo?

Waterloo, Wisconsin has both wireless and landline phone numbers. Approximately 0% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 100% being landline or VoIP. Major carriers serving the area include Onvoy, Llc - Wi, Bandwidth.com Clec, Llc - Wi, Frontier North Inc. - Wi. When you search a phone number on 411FCC, the results identify the line type and carrier, which helps distinguish personal cell phones from business landlines and identify VoIP numbers commonly used by automated calling systems.