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Phone Directory 240-221 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-221 Rockville, MD Verizon Maryland Montgomery Landline 05/10/1999

Other Series For Prefixes

240-2210###
240-2211###
240-2212###
240-2213###
240-2214###
240-2215###
240-2216###
240-2217###
240-2218###
240-2219###