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Phone Directory 720-204 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-204 Longmont, CO AT&T Local Boulder Landline 02/27/1999

Other Series For Prefixes

720-2040###
720-2041###
720-2042###
720-2043###
720-2044###
720-2045###
720-2046###
720-2047###
720-2048###
720-2049###