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Phone Directory 630-257 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
630-257 Lemont, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

630-2570###
630-2571###
630-2572###
630-2573###
630-2574###
630-2575###
630-2576###
630-2577###
630-2578###
630-2579###