Warren, Illinois Area Codes

Map of Warren

Local time – 1 timezone

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Eastern timezone

Prefixes – 3 codes

Prefix
Type
Location
Carrier
Assigned
Landline
Onvoy, LLC
2021/06/10
(779) 327-7
Landline
Onvoy, LLC
2021/06/10
Landline
Frontier North, Inc. - IL
-
(815) 745-0
Landline
Teleport Communications America - ID - LLC
2019/10/15
(815) 745-1
Landline
Mediacom Telephony of Illinois, LLC - IL
2010/06/01
(815) 745-2
Landline
Frontier North, Inc. - IL
-
(815) 745-3
Landline
Frontier North, Inc. - IL
-
(815) 745-4
Landline
Level 3 Communications, LLC - AK
2004/06/03
(815) 745-5
Landline
Onvoy, LLC
2020/06/19
(815) 745-6
Landline
Level 3 Communications, LLC - AK
2012/10/03
(815) 745-7
Landline
Centurylink Communications LLC
2016/01/21
(815) 745-8
Landline
Onvoy, LLC
2021/03/04
(815) 745-9
Landline
Radiantiq LLC
2021/04/13
(815) 818
Unknown
Aero North Communications, Inc. - IL
-