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Phone Directory 240-778 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (240) 778-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-778 Chevy Chase, MD Xo Maryland Montgomery Landline 10/31/2000

Other Series For Prefixes

240-7780###
240-7781###
240-7782###
240-7783###
240-7784###
240-7785###
240-7786###
240-7787###
240-7788###
240-7789###