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Phone Directory 312-261 Detail

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Illinois Chicago Central

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Example: (312) 261-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-261 Chicago, IL Broadwing Communications Cook Landline 05/10/1999

Other Series For Prefixes

312-2610###
312-2611###
312-2612###
312-2613###
312-2614###
312-2615###
312-2616###
312-2617###
312-2618###
312-2619###