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Phone Directory 301-250 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-250 Rockville, MD Mci Worldcom Communications Montgomery Landline 01/11/1997

Other Series For Prefixes

301-2500###
301-2501###
301-2502###
301-2503###
301-2504###
301-2505###
301-2506###
301-2507###
301-2508###
301-2509###