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Phone Directory 312-529 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 529-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-529 Chicago, IL AT&T Local Cook Landline 10/11/1997

Other Series For Prefixes

312-5290###
312-5291###
312-5292###
312-5293###
312-5294###
312-5295###
312-5296###
312-5297###
312-5298###
312-5299###