331 Area Code Prefixes Directory

If you know the complete number you’re looking up, please use the Phone Number Search above. Or to explore prefixes in different coverage areas, please use the tables below.

T-mobile Usa
Carrier

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

Cellco Partnership DBA Verizon Wireless
Carrier

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

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

Comcast Phone Of Illinois DBA Comco
Carrier

Coverage Area
Cities: Geneva

Local Access LLC
Carrier

Coverage Area
Cities: Aurora, Lemont

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) 233-1143Unknown

The message "This call is from landing point you have been approved for the personal loan no upfront fees no security deposit or processing charges so call us back on our direct line number 331-233-1143 let me repeat it for you 331-233-1143."

(331) 233-1143Unknown

The voice message starts in the middle of a sentence and is an auto voice and "sounds" urgent. Requests a call back to the same number appearing on screen. No identification.

(331) 233-1143Unknown

They keep calling and leaving a message that just repeats their phone number. They won't say who they are or why they are calling. I blocked them.

(331) 236-5073Unknown

More loan B.S.

(331) 717-1138Safe

Religious scam

(331) 236-5073Dangerous

Robo Call - Stated that was approved for a loan.

(331) 321-8399Unknown

Calls constantly no answer

(331) 716-8842Dangerous

No message lrft. Blocked

(331) 716-8842Dangerous

Getting lots of these Medicare calls for deceased family member

(331) 716-8842Unknown

Called and didn’t leave a message.

Recently Searched Numbers

No additional information reported for these searched numbers. Received a call from any phone number listed below? Please consider helping the community by reporting your experience.

331-480-4235
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UNKNOWN
331-192-3899
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UNKNOWN
331-378-9812
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UNKNOWN
331-580-6247
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UNKNOWN
331-560-6899
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UNKNOWN
331-548-8776
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UNKNOWN
331-931-6724
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UNKNOWN
331-359-6997
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UNKNOWN
331-966-8625
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UNKNOWN
331-717-8939
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UNKNOWN
331-200-7071
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T-mobile Usa
331-621-4567
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UNKNOWN
331-636-1720
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UNKNOWN
331-307-1331
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UNKNOWN
331-190-1950
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UNKNOWN
331-730-7932
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UNKNOWN
331-198-1810
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UNKNOWN
331-904-4346
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UNKNOWN
331-911-1174
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UNKNOWN

Most searched numbers

Cell
All TimeThis Month
331-509-7950First seen 2016-12-03331-486-6710First seen 2019-01-20
331-899-1328First seen 2019-11-19331-614-3058First seen 2017-12-09
331-509-1533First seen 2015-09-22331-446-4875First seen 2019-07-24
331-137-7731First seen 2011-06-18331-392-2757First seen 2016-07-06
331-622-9710First seen 2013-03-22331-130-5119First seen 2016-07-11
Landline
All TimeThis Month
331-391-1637First seen 2010-06-30331-884-9215First seen 2014-07-29
331-244-6362First seen 2020-02-10331-281-4227First seen 2017-07-31
331-914-6607First seen 2019-12-15331-166-5072First seen 2010-07-03
331-390-6232First seen 2013-02-22331-278-2283First seen 2018-07-25
331-691-1108First seen 2020-03-12331-670-9885First seen 2013-06-03

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