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Phone Directory 720-663 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-663 Denver, CO Bandwidth.com Clec Jefferson Landline 05/28/2008

Other Series For Prefixes

720-6630###
720-6631###
720-6632###
720-6633###
720-6634###
720-6635###
720-6636###
720-6637###
720-6638###
720-6639###