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Phone Directory 636-940 Detail

State Major City Time Zone
Missouri Saint Louis Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
636-940 Saint Charles, MO Southwestern Bell Saint Charles Landline 07/22/1999

Other Series For Prefixes

636-9400###
636-9401###
636-9402###
636-9403###
636-9404###
636-9405###
636-9406###
636-9407###
636-9408###
636-9409###