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.

Switch: SLNSCABIXMD

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-500 2 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2018-01-29   
831-512 6 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2006-02-17   
831-512 7 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2006-02-17   
831-521 A Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-524 A Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-524 0 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-524 1 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-524 2 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-524 3 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-524 4 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2005-07-11   
831-524 5 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2003-09-21   
831-524 6 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-524 7 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2016-11-10   
831-524 8 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2014-03-12   
831-524 9 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2015-11-25   
831-578 A Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 0 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 1 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 2 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 3 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 4 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 5 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 6 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 7 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-578 8 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2005-04-16   
831-578 9 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2005-12-17   
831-582 1 Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2015-09-03   
831-582 7 Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2014-04-11   
831-582 8 Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2017-07-03   
831-583 5 Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2017-07-28   
831-593 9 San Juan CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2018-02-22   
831-594 A Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-595 A Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-596 A Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-597 0 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-09-09   
831-597 1 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-09-09   
831-597 2 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-09-09   
831-597 3 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-09-09   
831-597 4 Salinas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2020-09-09   
831-620 9 Carmel CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2019-09-27   
831-628 7 Tres Pinos CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2021-06-21   
831-641 2 Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-643 5 Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2017-01-30   
831-649 9 Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-657 5 Monterey CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-12-02   
831-673 A Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 0 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 1 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-673 2 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2024-01-01   
831-673 3 Hollister CA 6010 NEW CINGULAR WIRELESS PCS, LLC 736   2018-02-11   

<< 1 2 3 4 5 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.