Osco, Illinois Area Codes

309
Map of Osco Local time Prefixes

Map of Osco

Local time – 1 timezone

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Eastern timezone

Prefixes – 2 codes

Prefix
Type
Location
Carrier
Assigned
(309) 522
Landline
Cambridge Tel. Co.
-
Landline
Mediacom Telephony of Illinois, LLC - IL
2001/10/26
(309) 845-1
Landline
Mediacom Telephony of Illinois, LLC - IL
2010/03/15

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