Area Code 720

720 is the North American Telephone Area Code For Colorado in United States.
District of Colorado area codes: 720
Country United States
State/Province Colorado
Major City Denver
Time Zone Mountain

Phone directory with area code 720

Prefix County Primary City Company
720-200 Denver Denver, CO Qwest Corporation
720-201 Denver Denver, CO New Cingular Wireless PCS
720-202 Jefferson Denver, CO Cellco Partnership DBA Verizon Wireless
720-203 Jefferson Denver, CO Sprint Spectrum L.p.
720-204 Boulder Longmont, CO AT&T Local
720-205 Jefferson Denver, CO Sprint Spectrum L.p.
720-206 Jefferson Denver, CO Xo Colorado
720-207 Arapahoe Englewood, CO Xo Colorado
720-208 Jefferson Denver, CO Xo Colorado
720-209 Denver Denver, CO Sprint Spectrum L.p.
720-210 Jefferson Denver, CO Xo Colorado
720-212 Jefferson Denver, CO Xo Colorado
720-213 Denver Denver, CO Mcleodusa Telecommunications Services- Co
720-214 Denver Denver, CO Mcleodusa Telecommunications Services- Co
720-215 Jefferson Denver, CO Cellco Partnership DBA Verizon Wireless
720-216 Arapahoe Aurora, CO Teleport Communications America
720-217 Jefferson Denver, CO T-mobile Usa
720-218 Jefferson Denver, CO Sprint Spectrum L.p.
720-219 Jefferson Denver, CO Cellco Partnership DBA Verizon Wireless
720-220 Jefferson Denver, CO T-mobile Usa
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There are 519 prefixes, In the code area, the major cities are Arvada, CO;Aurora, CO;Boulder, CO;Brighton, CO;Bro. The major city is Denver.

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