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Phone Directory 240-631 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (240) 631-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-631 Gaithersburg, MD Verizon Maryland Montgomery Landline 11/20/1998

Other Series For Prefixes

240-6310###
240-6311###
240-6312###
240-6313###
240-6314###
240-6315###
240-6316###
240-6317###
240-6318###
240-6319###