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Phone Directory 301-273 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 273-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-273 Silver Spring, MD Mci Worldcom Communications Montgomery Landline 01/11/1997

Other Series For Prefixes

301-2730###
301-2731###
301-2732###
301-2733###
301-2734###
301-2735###
301-2736###
301-2737###
301-2738###
301-2739###