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.

OCN: 373F PEERLESS NETWORK OF CALIFORNIA, LLC - 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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
530-213 5 North Tahoe: Brockway DA CA SCRMCA01X7Z  726   2013-03-28   
530-214 7 Truckee CA SCRMCA01X7Z  726   2013-03-28   
530-220 1 Davis CA SCRMCA01DS3  726   2016-09-15   
530-264 3 Nevada City CA SCRMCA01X7Z  726   2013-03-28   
530-278 0 Grass Valley: South DA CA SCRMCA01X7Z  726   2013-04-27   
530-291 7 Placerville: Kyburz DA CA SCRMCA01DS3  726   2022-06-19   
530-291 8 Placerville: Kyburz DA CA SCRMCA01DS3  726   2022-02-24   
530-291 9 Placerville: Kyburz DA CA SCRMCA01DS3  726   2020-12-10   
530-293 9 Placerville: Kyburz DA CA SCRMCA01DS3  726   2016-09-22   
530-296 5 Placerville: Kyburz DA CA SCRMCA01X7Z  726   2013-03-28   
530-358 A North San Juan CA SCRMCA01X7Z  726      
530-358 3 North San Juan CA SCRMCA01X7Z  726   2018-12-20   
530-358 4 North San Juan CA SCRMCA01X7Z  726   2013-04-29   
530-379 0 Woodland CA SCRMCA01X7Z  726   2013-04-15   
530-379 1 Woodland CA SCRMCA01X7Z  726   2013-04-15   
530-388 7 Alta CA SCRMCA01X7Z  726   2021-09-24   
530-389 9 Alta CA SCRMCA01X7Z  726   2022-02-20   
530-393 0 Williams CA SCRMCA01DS3  726      
530-393 1 Williams CA SCRMCA01DS3  726      
530-418 7 North Yuba CA SCRMCA01X7Z  726   2013-04-27   
530-420 0 Robbins CA SCRMCA01X7Z  726      
530-422 5 Colfax: Weimar DA CA SCRMCA01X7Z  726   2013-03-28   
530-422 9 Colfax: Weimar DA CA SCRMCA01X7Z  726   2018-12-20   
530-426 4 Soda Springs CA SCRMCA01X7Z  726   2013-03-28   
530-427 7 Soda Springs CA SCRMCA01DS3  726   2016-09-23   
530-429 6 Downieville CA SCRMCA01X7Z  726   2013-03-28   
530-442 7 Placerville: Kyburz DA CA SCRMCA01DS3  726   2025-02-24   
530-442 9 Placerville: Kyburz DA CA SCRMCA01DS3  726   2024-02-17   
530-443 9 Marysville CA SCRMCA01DS3  726   2016-09-17   
530-444 7 Georgetown CA SCRMCA01X7Z  726   2013-03-28   
530-447 9 Alleghany CA SCRMCA01DS3  726   2016-09-14   
530-450 4 Auburn: Main DA CA SCRMCA01X7Z  726   2020-01-15   
530-450 6 Auburn: Main DA CA SCRMCA01X7Z  726   2020-04-02   
530-451 5 Smartsville CA SCRMCA01X7Z  726   2013-03-28   
530-451 7 Smartsville CA SCRMCA01X7Z  726   2020-03-09   
530-455 3 Live Oak CA SCRMCA01X7Z  726   2013-03-28   
530-456 1 Gridley CA SCRMCA01X7Z  726   2021-11-20   
530-456 5 Gridley CA SCRMCA01X7Z  726   2013-04-27   
530-457 2 Georgetown CA SCRMCA01X7Z  726      
530-460 0 Grass Valley: Main DA CA SCRMCA01X7Z  726   2020-11-07   
530-482 0 Soda Springs CA SCRMCA01X7Z  726      
530-483 5 Wheatland CA SCRMCA01X7Z  726   2013-03-28   
530-488 1 Auburn: Main DA CA SCRMCA01X7Z  726   2013-03-28   
530-488 5 Auburn: Main DA CA SCRMCA01X7Z  726   2013-03-28   
530-489 7 Homewood CA SCRMCA01X7Z  726   2024-06-17   
530-490 7 Woodland CA SCRMCA01X7Z  726   2019-12-15   
530-491 A Marysville CA SCRMCA01X7Z  726      
530-491 0 Marysville CA SCRMCA01X7Z  726   2013-04-29   
530-497 A Placerville: West DA CA SCRMCA01X7Z  726      
530-497 3 Placerville: West DA CA SCRMCA01X7Z  726   2013-04-29   

<< 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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.