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331 Area Code Prefixes Directory

Choose a prefix to view phone numbers and related information

T-mobile Usa
Carrier

Coverage Area
Cities: Bartlett, Aurora, Naperville, West Chicago

Cellco Partnership DBA Verizon Wireless
Carrier

Coverage Area
Cities: Downers Grove, Naperville, Sugar Grove, Aurora, Saint Charles

Sprint Spectrum L.p.
Carrier

Coverage Area
Cities: Elmhurst, Aurora

Broadvox-clec
Carrier

Coverage Area
Cities: Bartlett

Level 3 Communications
Carrier

Coverage Area
Counties: Kendall,
Cities: Yorkville, Elmhurst, Saint Charles

Peerless Network Of Illinois
Carrier

Coverage Area
Cities: Saint Charles, West Chicago, Lemont, Warrenville

Mci Worldcom Communications
Carrier

Coverage Area
Cities: Aurora, Naperville

New Cingular Wireless PCS
Carrier

Coverage Area
Cities: Oswego, West Chicago, Saint Charles

Ameritech Illinois
Carrier

Coverage Area
Cities: Elmhurst, Naperville

Cricket Communications
Carrier

Coverage Area
Cities: Saint Charles, Oswego, Naperville, Aurora, Lombard

Ovation Communications Of Illinois
Carrier

Coverage Area
Cities: Saint Charles

Local Access LLC
Carrier

Coverage Area
Cities: Aurora

Cibolo Creek Ventures DBA Routepoint Comm Il
Carrier

Coverage Area
Cities: Elburn

Bandwidth.com Clec
Carrier

Coverage Area
Cities: Aurora, Elmhurst, Oswego

First Communications LLC
Carrier

Coverage Area
Counties: Dupage
Cities: Roselle

Xo Illinois
Carrier

Coverage Area
Cities: Lombard

Sigecom
Carrier

Coverage Area
Cities: Aurora

The 331 area code is located in Lemont, Illinois including Bartlett, Downers Grove and was originally put into service on July 11th 2011. Find whose number this is.

Recently Reported Numbers

(331) 204-7458Unknown

Fake credit and student loan services scam call by criminals phoning from India This is a fake credit and student loan services scam call by criminals phoning from India, trying to steal your credit card number, Social Security number, and personal information. There are hundreds of these India scams where they offer to consolidate all your debts at "0% interest" or give you an unsecured $100

(331) 300-8485Dangerous

Calls from another phone. 970-691-4338.

(331) 725-5002Unknown

Didn't answer. No voicemail.

(331) 212-8146Neutral

No answer when I said hello

(331) 684-9778Unknown

Called me too -- I don't answer unknown numbers.

(331) 212-8022Dangerous

Called here at 8:30pm, Hung up when answering machine picked up. Caller is now blocked!

(331) 207-1713Dangerous

A "Phil Hastings" called me from this number - they had my personal information as well as information regarding a recent hospital visit. They told me I owed about 5 times what I actually owe the hospital. He told me the number to call him back on was (312) 922-6500 and he claims to have sent me a letter in the mail. Also didn't have the correct dates for my hospital visit. Upon googling this numb

(331) 207-1713Unknown

It does not appear that they are "permanently closed" It also looks like they are in Illinois and collect medical debt. I have not finished my report on them as of yet. It is incumbent upon them under the law to prove that the debt exists and that you owe it, and (this is the important part) that they have the legal right to collect it. You are not obligated under the law to prove that you don’

(331) 212-9905Dangerous

No message left.

(331) 215-6776Unknown

Warning to people visiting this thread. This debt collector has sent employees here to lie to you and to tell you that your only option is to block the calls coming from them and now lying telling you to change your phone number. This is very far from the truth. The reason that these employees and their employer don't want you to know your other options is because it would cost their employer a

Recently Unidentified numbers

331 area code numbers that might be spam, scams or that people have reported as unidentified callers

331-406-2566UNKNOWN
331-656-4623UNKNOWN
331-311-2535UNKNOWN
331-764-1000UNKNOWN
331-345-8043UNKNOWN
331-594-8609UNKNOWN
331-521-8299UNKNOWN
331-282-3354UNKNOWN
331-561-8597UNKNOWN
331-318-4971Local Access LLC
331-830-9689UNKNOWN
331-812-3572UNKNOWN
331-828-2657UNKNOWN
331-453-7314UNKNOWN
331-577-8482UNKNOWN
331-970-6521UNKNOWN
331-157-6570UNKNOWN
331-572-2099UNKNOWN
331-346-4733UNKNOWN

Most searched numbers

Cell
All TimeThis Month
331-220-9519First seen 2013-07-20331-554-9541First seen 2018-09-03
331-540-8308First seen 2016-12-25331-416-1077First seen 2010-08-27
331-872-3702First seen 2011-11-19331-302-6341First seen 2012-08-05
331-119-5955First seen 2015-01-20331-478-2294First seen 2019-03-16
331-333-9715First seen 2018-04-17331-693-1310First seen 2017-02-25
Landline
All TimeThis Month
331-575-9411First seen 2019-04-22331-168-5703First seen 2019-02-04
331-673-2234First seen 2011-11-09331-587-6097First seen 2013-03-24
331-937-6847First seen 2013-01-16331-310-7735First seen 2018-09-24
331-988-4036First seen 2019-06-13331-321-3269First seen 2014-06-01
331-933-6592First seen 2014-06-02331-550-5484First seen 2018-11-11

Cities With coverage

CITY LIST
Aurora
Bartlett
Downers Grove
Elburn
Elmhurst
Geneva
Lemont
Lombard
Naperville
Oswego
Roselle
Saint Charles
Sugar Grove
Warrenville
West Chicago
Wheaton
Yorkville