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Phone Directory 301-561 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-561 Silver Spring, MD Baltimore-washington Telephone (bwt) Montgomery Landline 03/03/2001

Other Series For Prefixes

301-5610###
301-5611###
301-5612###
301-5613###
301-5614###
301-5615###
301-5616###
301-5617###
301-5618###
301-5619###