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Phone Directory 301-610 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 610-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-610 Rockville, MD Verizon Maryland Montgomery Landline 10/15/1996

Other Series For Prefixes

301-6100###
301-6101###
301-6102###
301-6103###
301-6104###
301-6105###
301-6106###
301-6107###
301-6108###
301-6109###