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.

Chula Vista, CA

<< 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 28 29 30 31 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
619-827 6 ESCNCAKY2MD  5562 METROPCS, INC. 732   2004-02-04   
619-827 7 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2024-07-20   
619-827 8 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2024-08-20   
619-827 9 ESCNCAKY2MD  5562 METROPCS, INC. 732   2004-02-04   
619-830 A ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
619-830 0 ESCNCAKY2MD  5562 METROPCS, INC. 732   2017-01-28   
619-830 1 ESCNCAKY2MD  5562 METROPCS, INC. 732   2017-01-28   
619-830 2 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2017-11-25   
619-830 3 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2017-11-25   
619-830 4 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2017-11-25   
619-830 5 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2017-11-25   
619-830 6 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2018-06-03   
619-830 7 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2018-06-22   
619-830 8 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2017-01-27   
619-830 9 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2017-01-27   
619-836 A SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
619-836 0 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2013-12-15   
619-836 1 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2013-12-15   
619-836 2 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2014-02-27   
619-836 3   624H ONVOY SPECTRUM, LLC 732   2025-02-21   
619-836 4 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2014-01-29   
619-836 5 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2014-01-29   
619-836 6 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2013-12-17   
619-836 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2013-12-17   
619-836 8   624H ONVOY SPECTRUM, LLC 732   2025-02-21   
619-836 9 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2014-02-06   
619-845 A SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
619-845 0 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2020-12-07   
619-845 1 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2020-12-07   
619-845 2 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-06   
619-845 3 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-06   
619-845 4 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-06   
619-845 5 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-06   
619-845 6 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-06   
619-845 7 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-06   
619-845 8 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-06   
619-845 9 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-06   
619-852 A ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-852 0 ESCNCAKY2MD  5562 METROPCS, INC. 732   2004-05-09   
619-852 1 ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-852 2 ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-852 3 ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-852 4 ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-852 5 ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-852 6 ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-852 7 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-12-05   
619-852 8 ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-852 9 ESCNCAKY2MD  5562 METROPCS, INC. 732      
619-853 A ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
619-853 0 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-09-19   

<< 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 28 29 30 31 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.