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Phone Directory 240-644 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (240) 644-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-644 Chevy Chase, MD Xo Maryland Montgomery Landline 10/31/2000

Other Series For Prefixes

240-6440###
240-6441###
240-6442###
240-6443###
240-6444###
240-6445###
240-6446###
240-6447###
240-6448###
240-6449###