Williamsfield, Illinois Area Codes

309
Map of Williamsfield Local time Prefixes

Map of Williamsfield

Local time – 1 timezone

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Eastern timezone

Prefixes – 2 codes

Prefix
Type
Location
Carrier
Assigned
Landline
Mediacom Telephony of Illinois, LLC - IL
2005/12/09
(309) 616-9
Landline
Mediacom Telephony of Illinois, LLC - IL
2010/06/30
(309) 639
Landline
Mid Century Tel. Coop., Inc.
-

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