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Phone Directory 312-804 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 804-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-804 Chicago, IL T-mobile Usa Cook Cell Number 01/23/2002

Other Series For Prefixes

312-8040###
312-8041###
312-8042###
312-8043###
312-8044###
312-8045###
312-8046###
312-8047###
312-8048###
312-8049###