720 Area Code

State: Colorado

Capital City: Denver

  • Admission to Statehood:
    August 1, 1876 (38th State)
  • Constitution:
    Colorado's Constitution , 38th State
  • Population (2013):
    5,268,367; Rank: 22 of 50 | Population Quick Facts
  • Area:
    • Area: 104,100 sq.mi (269,618 sq.km.), 8th
    • Land: 103,730 sq.mi. (268,660 sq.km.), 8th
    • Water: 371 sq.mi. (961 sq.km.), 46th

Area Code 720

Map:

Area Code Prefix Usage Primary City Carrier Introduced
720 (720) 200- Landline Denver Qwest Corporation 02/27/1999
720 (720) 201- Wireless Denver New Cingular Wireless PCS 06/30/2001
720 (720) 202- Wireless Denver Cellco Partnership DBA Verizon Wireless 10/07/2009
720 (720) 203- Wireless Denver Sprint Spectrum L.p. 01/29/2001
720 (720) 204- Landline Longmont AT&T; Local 02/27/1999
720 (720) 205- Wireless Denver Sprint Spectrum L.p. 06/30/2001
720 (720) 206- Landline Denver Xo Colorado 05/10/1999
720 (720) 207- Landline Englewood Xo Colorado 05/10/1999
720 (720) 208- Landline Denver Xo Colorado 05/10/1999
720 (720) 209- Wireless Denver Sprint Spectrum L.p. 01/14/2000
720 (720) 210- Landline Denver Xo Colorado 05/10/1999
720 (720) 212- Landline Denver Xo Colorado 05/10/1999
720 (720) 213- Landline Denver Mcleodusa Telecommunications Services- Co 06/30/2001
720 (720) 214- Landline Denver Mcleodusa Telecommunications Services- Co 03/03/2001
720 (720) 215- Landline Denver Cellco Partnership DBA Verizon Wireless 10/12/2009
720 (720) 216- Landline Aurora Teleport Communications America 01/29/2001
720 (720) 217- Wireless Denver T-mobile Usa 02/27/1999
720 (720) 218- Wireless Denver Sprint Spectrum L.p. 01/14/2000
720 (720) 219- Wireless Denver Cellco Partnership DBA Verizon Wireless 01/14/2000
720 (720) 220- Wireless Denver T-mobile Usa 05/10/1999
720 (720) 221- Landline Denver Xo Colorado 05/10/1999
720 (720) 222- Landline Englewood Xo Colorado 05/10/1999
720 (720) 223- Landline Brighton Xo Colorado 05/10/1999
720 (720) 224- Landline Denver Xo Colorado 05/10/1999
720 (720) 225- Landline Denver Xo Colorado 05/10/1999
720 (720) 226- Landline Denver Xo Colorado 05/10/1999
720 (720) 227- Landline Denver Xo Colorado 05/10/1999
720 (720) 228- Landline Denver Xo Colorado 05/10/1999
720 (720) 229- Landline Denver Xo Colorado 05/10/1999
720 (720) 230- Landline Brighton Xo Colorado 05/10/1999
720 (720) 231- Wireless Denver T-mobile Usa 05/10/1999
720 (720) 232- Wireless Denver Sprint Spectrum L.p. 05/10/1999
720 (720) 233- Wireless Denver Sprint Spectrum L.p. 05/10/1999
720 (720) 234- Wireless Denver Sprint Spectrum L.p. 05/10/1999
720 (720) 235- Wireless Denver Sprint Spectrum L.p. 05/10/1999
720 (720) 236- Wireless Denver Sprint Spectrum L.p. 05/10/1999
720 (720) 237- Wireless Denver New Cingular Wireless PCS 09/28/2009
720 (720) 238- Landline Denver T-mobile Usa 06/30/2001
720 (720) 239- Landline Denver AT&T; Local 03/03/2001
720 (720) 240- Landline Denver Xo Colorado 05/10/1999
720 (720) 241- Landline Denver Xo Colorado 05/10/1999
720 (720) 242- Landline Denver Qwest Corporation 10/09/2008
720 (720) 243- Wireless Denver Leap Wireless Intl DBA Cricket Comm 06/30/2009
720 (720) 244- Wireless Denver New Cingular Wireless PCS 06/30/2001
720 (720) 245- Landline Denver Eschelon Telecom Of Colorado 11/21/2011
720 (720) 246- Landline Englewood Xo Colorado 05/10/1999
720 (720) 247- Landline Brighton Xo Colorado 05/20/2004
720 (720) 248- Landline Denver Cbeyond Communications 10/31/2000
720 (720) 249- Landline Denver Xo Colorado 05/10/1999
720 (720) 250- Landline Denver Xo Colorado 05/10/1999
Area Code: 720
Prefix: (720) 200-
Usage: Landline
Primary City: Denver
Carrier: Qwest Corporation
Introduced: 02/27/1999
Area Code: 720
Prefix: (720) 201-
Usage: Wireless
Primary City: Denver
Carrier: New Cingular Wireless PCS
Introduced: 06/30/2001
Area Code: 720
Prefix: (720) 202-
Usage: Wireless
Primary City: Denver
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/07/2009
Area Code: 720
Prefix: (720) 203-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 01/29/2001
Area Code: 720
Prefix: (720) 204-
Usage: Landline
Primary City: Longmont
Carrier: AT&T; Local
Introduced: 02/27/1999
Area Code: 720
Prefix: (720) 205-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 06/30/2001
Area Code: 720
Prefix: (720) 206-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 207-
Usage: Landline
Primary City: Englewood
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 208-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 209-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 01/14/2000
Area Code: 720
Prefix: (720) 210-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 212-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 213-
Usage: Landline
Primary City: Denver
Carrier: Mcleodusa Telecommunications Services- Co
Introduced: 06/30/2001
Area Code: 720
Prefix: (720) 214-
Usage: Landline
Primary City: Denver
Carrier: Mcleodusa Telecommunications Services- Co
Introduced: 03/03/2001
Area Code: 720
Prefix: (720) 215-
Usage: Landline
Primary City: Denver
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/12/2009
Area Code: 720
Prefix: (720) 216-
Usage: Landline
Primary City: Aurora
Carrier: Teleport Communications America
Introduced: 01/29/2001
Area Code: 720
Prefix: (720) 217-
Usage: Wireless
Primary City: Denver
Carrier: T-mobile Usa
Introduced: 02/27/1999
Area Code: 720
Prefix: (720) 218-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 01/14/2000
Area Code: 720
Prefix: (720) 219-
Usage: Wireless
Primary City: Denver
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/14/2000
Area Code: 720
Prefix: (720) 220-
Usage: Wireless
Primary City: Denver
Carrier: T-mobile Usa
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 221-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 222-
Usage: Landline
Primary City: Englewood
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 223-
Usage: Landline
Primary City: Brighton
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 224-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 225-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 226-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 227-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 228-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 229-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 230-
Usage: Landline
Primary City: Brighton
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 231-
Usage: Wireless
Primary City: Denver
Carrier: T-mobile Usa
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 232-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 233-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 234-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 235-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 236-
Usage: Wireless
Primary City: Denver
Carrier: Sprint Spectrum L.p.
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 237-
Usage: Wireless
Primary City: Denver
Carrier: New Cingular Wireless PCS
Introduced: 09/28/2009
Area Code: 720
Prefix: (720) 238-
Usage: Landline
Primary City: Denver
Carrier: T-mobile Usa
Introduced: 06/30/2001
Area Code: 720
Prefix: (720) 239-
Usage: Landline
Primary City: Denver
Carrier: AT&T; Local
Introduced: 03/03/2001
Area Code: 720
Prefix: (720) 240-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 241-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 242-
Usage: Landline
Primary City: Denver
Carrier: Qwest Corporation
Introduced: 10/09/2008
Area Code: 720
Prefix: (720) 243-
Usage: Wireless
Primary City: Denver
Carrier: Leap Wireless Intl DBA Cricket Comm
Introduced: 06/30/2009
Area Code: 720
Prefix: (720) 244-
Usage: Wireless
Primary City: Denver
Carrier: New Cingular Wireless PCS
Introduced: 06/30/2001
Area Code: 720
Prefix: (720) 245-
Usage: Landline
Primary City: Denver
Carrier: Eschelon Telecom Of Colorado
Introduced: 11/21/2011
Area Code: 720
Prefix: (720) 246-
Usage: Landline
Primary City: Englewood
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 247-
Usage: Landline
Primary City: Brighton
Carrier: Xo Colorado
Introduced: 05/20/2004
Area Code: 720
Prefix: (720) 248-
Usage: Landline
Primary City: Denver
Carrier: Cbeyond Communications
Introduced: 10/31/2000
Area Code: 720
Prefix: (720) 249-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999
Area Code: 720
Prefix: (720) 250-
Usage: Landline
Primary City: Denver
Carrier: Xo Colorado
Introduced: 05/10/1999