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Phone Directory 240-401 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-401 Rockville, MD New Cingular Wireless PCS - DC Montgomery Cell Number 11/20/1998

Other Series For Prefixes

240-4010###
240-4011###
240-4012###
240-4013###
240-4014###
240-4015###
240-4016###
240-4017###
240-4018###
240-4019###