Preemption, Illinois Area Codes

Map of Preemption

Local time – 1 timezone

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Eastern timezone

Prefixes – 2 codes

Prefix
Type
Location
Carrier
Assigned
(309) 534
Landline
Citizens Telecom CO Illinois-frontier Citizens -il
-
Landline
Mediacom Telephony of Illinois, LLC - IL
2006/05/16
(309) 600-0
Landline
Stratus Networks
2020/09/15
(309) 600-1
Landline
Mediacom Telephony of Illinois, LLC - IL
2010/03/15
(309) 600-2
Landline
Twilio International, Inc.
2021/07/27
(309) 600-3
Landline
Onvoy, LLC
2021/03/09
(309) 600-6
Landline
Onvoy, LLC
2020/03/03
(309) 600-7
Landline
Centurylink Communications, LLC LA
2016/09/08