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Phone Directory 240-277 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-277 Bethesda, MD Sprint Spectrum L.p. Montgomery Cell Number 10/18/2002

Other Series For Prefixes

240-2770###
240-2771###
240-2772###
240-2773###
240-2774###
240-2775###
240-2776###
240-2777###
240-2778###
240-2779###