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Phone Numbers in Area Code 331

Area code 331 serves the Roselle Bay Area in Illinois, covering cities like Roselle and Yorkville. Use this directory to search prefixes, identify carriers, and check if numbers in the 331 area have been reported as spam or fraud.

View Area Code

Area Code 331 Map

Area Code Introduction


Area code 331 is an area code in the North American Numbering Plan (NANP) for the western and northwestern suburbs of Chicago, Illinois. It includes the cities of Aurora, Elgin, Naperville, and Joliet.

Roselle

Yorkville

Area code 331 is a major economic hub in the Chicago metropolitan area. The area is home to a number of large corporations, including Caterpillar, Motorola Solutions, and Navistar International. The area also has a strong manufacturing base, with many factories and warehouses located in the area.

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Area Code 331 Overview


941,954

Total Population

49.8%

Male Population

50.2%

Female Population

$51,795

Per Capita Income

2.8

Avg. Household Size

517,244

Labour Force

69.4%

Labour Force %

4.8%

Unemployment Rate


Prefixes in Area Code 331

70 Entries Found

Prefixes

Carrier Name

Action

(331) 200

T-mobile Usa

(331) 201

Cellco Partnership DBA Verizon Wireless

(331) 202

Sprint Spectrum

(331) 203

Sprint Spectrum

(331) 204

Broadvox-clec

(331) 205

T-mobile Usa

(331) 206

Sprint Spectrum

(331) 207

Level 3 Communications

(331) 208

Sprint Spectrum

(331) 209

Level 3 Communications

(331) 210

Peerless Network Of Illinois

(331) 212

Mci Worldcom Communications

(331) 213

Cellco Partnership DBA Verizon Wireless

(331) 214

Cellco Partnership DBA Verizon Wireless

(331) 215

Cellco Partnership DBA Verizon Wireless

(331) 216

New Cingular Wireless PCS

(331) 218

T-mobile Usa

(331) 220

Sprint Spectrum

(331) 221

Ameritech Illinois

(331) 222

Cricket Communications

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Recently Reported


(331) 200 - 3988

Debt collection. As unfriendly and quite stupid. Don’t answer. I asked and of course the didn’t give me the company and caller name

(331) 200 - 4200

Who owns this number?

(331) 200 - 4697

Robot call

(331) 210 - 9416

A computer generated call threatening to put out a warrant for an arrest. Who is this coming from as no name is mentioned.

(331) 239 - 0436

Received a call on 10/09/2020 at 10:35 AM. Did not leave voice mail. Caller ID shows, "CHICAGO, IL."

(331) 241 - 6021

This number keeps calling.

(331) 546 - 5133

Unknown number calling

(331) 701 - 3067

Called my cell and didn’t leave a message.

(331) 704 - 4820

Got a call from this number. The caller left no voice message.

(331) 979 - 1872

Another lowlife Facebook scammerReported to Chicago police and the IRS

Did you receive any dangerous, unwanted or spam call?