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Phone Directory 301-544 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-544 Rockville, MD Verizon Maryland Montgomery Cell Number 11/20/1998

Other Series For Prefixes

301-5440###
301-5441###
301-5442###
301-5443###
301-5444###
301-5445###
301-5446###
301-5447###
301-5448###
301-5449###