Monmouth, Illinois Area Codes

Map of Monmouth

Local time – 1 timezone

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Eastern timezone

Prefixes – 6 codes

Prefix
Type
Location
Carrier
Assigned
(309) 457
Landline
Citizens Telecom CO Illinois-frontier Citizens -il
-
Wireless
Cellco Partnership DBA Verizon Wireless
2003/01/24
(309) 536-0
Wireless
Cellco Partnership DBA Verizon Wireless
-
(309) 536-1
Wireless
Cellco Partnership DBA Verizon Wireless
-
(309) 536-2
Wireless
Cellco Partnership DBA Verizon Wireless
-
(309) 536-3
Wireless
Cellco Partnership DBA Verizon Wireless
2011/02/18
(309) 536-6
Landline
Teleport Communications America - ID - LLC
2017/10/05
(309) 536-7
Landline
Centurylink Communications, LLC LA
2014/03/17
(309) 536-9
Landline
Onvoy, LLC
2020/01/27
(309) 715
Unknown
Mtc Communications, Inc. - IL
2015/01/21
(309) 734
Landline
Citizens Telecom CO Illinois-frontier Citizens -il
-
Landline
Level 3 Communications, LLC - AK
2005/08/16
(309) 760-0
Landline
Level 3 Communications, LLC - AK
-
(309) 760-3
Landline
Radiantiq LLC
2021/04/12
(309) 760-4
Landline
Level 3 Communications, LLC - AK
-
(309) 760-6
Landline
Onvoy, LLC
2021/02/02
(309) 760-7
Landline
Onvoy, LLC
2021/02/02
(309) 760-8
Landline
Comcast Phone of Illinois, LLC DBA Comco - IL
2017/09/15
Landline
Ip Horizon LLC
2020/09/18
(309) 816-1
Landline
Ip Horizon LLC
2020/09/21
(309) 816-6
Landline
Onvoy, LLC
2021/06/09
(309) 816-7
Landline
Onvoy, LLC
2021/06/09