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Phone Directory 301-251 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 251-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-251 Rockville, MD Verizon Maryland Montgomery Landline 02/04/1994

Other Series For Prefixes

301-2510###
301-2511###
301-2512###
301-2513###
301-2514###
301-2515###
301-2516###
301-2517###
301-2518###
301-2519###