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Phone Directory 630-427 Detail

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Illinois Chicago Central

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Example: (630) 427-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
630-427 Downers Grove, IL Ameritech Illinois Dupage Landline 07/06/1997

Other Series For Prefixes

630-4270###
630-4271###
630-4272###
630-4273###
630-4274###
630-4275###
630-4276###
630-4277###
630-4278###
630-4279###