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Phone Directory 301-520 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-520 Silver Spring, MD Cellco Partnership DBA Verizon Wireless Montgomery Cell Number 02/04/1994

Other Series For Prefixes

301-5200###
301-5201###
301-5202###
301-5203###
301-5204###
301-5205###
301-5206###
301-5207###
301-5208###
301-5209###