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Phone Directory 301-312 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-312 Oxon Hill, MD New Cingular Wireless PCS - DC Prince Georges Cell Number 10/11/1997

Other Series For Prefixes

301-3120###
301-3121###
301-3122###
301-3123###
301-3124###
301-3125###
301-3126###
301-3127###
301-3128###
301-3129###