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Phone Directory 240-821 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (240) 821-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-821 Silver Spring, MD Lightwave Communications Montgomery Landline 05/27/2005

Other Series For Prefixes

240-8210###
240-8211###
240-8212###
240-8213###
240-8214###
240-8215###
240-8216###
240-8217###
240-8218###
240-8219###