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Phone Directory 301-531 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-531 Hyattsville, MD Starpower Communications Prince Georges Landline 11/20/1998

Other Series For Prefixes

301-5310###
301-5311###
301-5312###
301-5313###
301-5314###
301-5315###
301-5316###
301-5317###
301-5318###
301-5319###