Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Salt Lake City, UT

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
801-702 9 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-11-08   
801-703 A SLKCUTMAXSY  7421 AT&T - LOCAL 660      
801-703 0 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2004-11-07   
801-703 1 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2005-11-06   
801-703 2 SLKCUTMAXSY  7421 AT&T - LOCAL 660      
801-703 3 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2005-03-10   
801-703 4 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2005-03-10   
801-703 5 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2005-05-14   
801-703 6 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2005-05-14   
801-703 7 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2007-01-19   
801-703 8 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2005-07-04   
801-703 9 SLKCUTMAXSY  7421 AT&T - LOCAL 660      
801-706 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-707 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
801-707 0 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2007-11-09   
801-707 1 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2007-11-09   
801-707 2 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2007-11-09   
801-707 3 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2010-01-14   
801-707 4 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2008-02-07   
801-707 5 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2008-02-07   
801-707 6 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2008-02-07   
801-707 7 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2008-02-07   
801-707 8 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2008-02-07   
801-707 9 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2008-02-07   
801-708 A SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660      
801-708 0 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2007-10-19   
801-708 1 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2007-10-20   
801-708 2 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2008-01-19   
801-708 3 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2008-01-19   
801-708 4 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2008-01-19   
801-708 5 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2007-08-11   
801-708 6 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2008-03-01   
801-708 7 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2007-10-30   
801-708 8 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2008-03-01   
801-708 9 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2008-03-24   
801-712 A SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-715 A SLKCUTMADS1  9636 QWEST CORPORATION 660      
801-718 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
801-736 A SLKDUTBTPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 660      
801-738 A   871E ONVOY, LLC - UT 660   2025-02-20   
801-738 0   871E ONVOY, LLC - UT 660   2007-06-15   
801-738 1   871E ONVOY, LLC - UT 660   2007-06-15   
801-738 2 SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-12-12   
801-738 3 SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-12-12   
801-738 4 SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-12-12   
801-738 5 SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-12-12   
801-738 6 SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-12-12   
801-738 7 SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-12-12   
801-738 8   871E ONVOY, LLC - UT 660   2007-06-15   
801-738 9   321J HD CARRIER LLC 660   2025-08-10   
801-739 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-739 0 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2010-04-22   
801-739 1 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2008-03-24   
801-739 2 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2008-03-24   
801-739 3 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2008-11-07   
801-739 4 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2008-11-07   
801-739 5 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2008-11-07   
801-739 6 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2008-11-07   
801-739 7 SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-12-12   
801-739 8 SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-12-12   
801-739 9   871E ONVOY, LLC - UT 660   2009-10-05   
801-741 A SLKCUTMADS1  9636 QWEST CORPORATION 660      
801-744 A SLKCUTMADS1  9636 QWEST CORPORATION 660      
801-746 A SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660      
801-746 0 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660      
801-746 1 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2003-06-19   
801-746 2 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660      
801-746 3 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660      
801-746 4 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2005-06-30   
801-746 5 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660      
801-746 6 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2006-05-22   
801-746 7 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2003-09-24   
801-746 8 SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2004-10-15   
801-746 9 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2006-10-12   
801-750 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 0 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 1 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 2 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 3 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 4 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2006-10-09   
801-750 5 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 6 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 7 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 8 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-750 9 DRPRUTKJ0MD  5562 METROPCS, INC. 660      
801-755 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
801-757 A SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660      
801-757 0 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 1 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 2 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 3 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 4 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 5 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 6 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 7 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 8 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-757 9 SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2003-12-29   
801-759 A SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-783 A SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
801-783 0 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2007-06-19   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.