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Phone Directory 301-448 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 448-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-448 Silver Spring, MD Comcast Phone Of Northern Maryland Montgomery Landline 08/20/2000

Other Series For Prefixes

301-4480###
301-4481###
301-4482###
301-4483###
301-4484###
301-4485###
301-4486###
301-4487###
301-4488###
301-4489###