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: 388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
209-970 A Plymouth CA SKTNCA0112Z  738      
209-970 5 Plymouth CA   738   2022-09-08   
442-228 A Bishop CA VTVLCAXAXPX  730      
442-228 4 Bishop CA   730   2014-01-03   
442-228 5 Bishop CA   730   2014-01-03   
442-326 A Independence CA VTVLCAXAXPX  730      
442-326 5 Independence CA   730   2015-08-27   
442-384 A Desert Center CA PLSPCAXG08Z  973      
442-384 5 Desert Center CA   973   2022-09-10   
530-214 8 Truckee CA   726   2007-05-17   
530-278 3 Grass Valley: South DA CA   726   2007-05-17   
530-392 3 Auburn: Main DA CA   726   2007-04-16   
530-412 8 North Tahoe: Tahoe City DA CA   726   2007-05-17   
530-412 9 North Tahoe: Tahoe City DA CA   726   2014-03-03   
530-422 A Colfax: Weimar DA CA SCRMCA01XFZ  726      
530-422 3 Colfax: Weimar DA CA   726   2014-03-23   
530-427 3 Soda Springs CA   726   2009-02-11   
530-427 8 Soda Springs CA   726   2014-03-03   
530-446 A Grass Valley: Main DA CA SCRMCA01XFZ  726      
530-446 3 Grass Valley: Main DA CA   726   2014-04-07   
530-489 A Homewood CA SCRMCA01XFZ  726      
530-489 3 Homewood CA   726   2014-04-07   
530-492 A Auburn: Main DA CA SCRMCA01XFZ  726      
530-492 3 Auburn: Main DA CA   726   2014-04-07   
530-525 8 Homewood CA   726   2007-05-17   
530-536 A Truckee CA SCRMCA01XFZ  726      
530-536 3 Truckee CA   726   2014-01-03   
530-536 4 Truckee CA   726   2014-01-03   
530-536 5 Truckee CA   726   2014-01-03   
530-562 6 Truckee CA   726   2012-08-15   
530-575 4 Grass Valley: Main DA CA   726   2007-05-17   
530-637 7 Colfax: Weimar DA CA   726   2007-05-17   
530-705 A Challenge CA CHICCA01XUX  724      
530-705 5 Challenge CA   724   2022-08-29   
530-728 A Grass Valley: South DA CA SCRMCA01XFZ  726      
530-728 3 Grass Valley: South DA CA   726   2014-04-07   
530-769 A Hoopa CA RDNGCA02LMD  724      
530-769 5 Hoopa CA   724   2022-08-29   
530-830 4 Auburn: North DA CA   726   2014-03-03   
707-407 0 Eureka CA   722   2009-09-08   
707-407 3 Eureka CA   722   2009-09-08   
707-497 6 Eureka CA   722   2007-02-16   
707-506 5 Rio Dell CA   722   2007-02-16   
707-607 A Ferndale CA EURKCA01DMD  722      
707-607 3 Ferndale CA   722   2014-04-07   
707-617 2 Fortuna CA   722   2014-03-23   
707-630 A Arcata CA EURKCA01DMD  722      
707-630 3 Arcata CA   722   2014-04-07   
707-630 4 Arcata CA   722   2014-04-07   
707-630 5 Arcata CA   722   2014-04-07   
707-633 5 Arcata CA   722   2007-02-16   
707-633 6 Arcata CA   722   2007-02-16   
707-650 7 Pepperwood CA   722   2022-09-18   
707-667 6 Blue Lake CA   722   2007-02-16   
707-677 2 Trinidad CA   722   2014-03-03   
707-677 5 Trinidad CA   722   2007-02-16   
707-682 6 Fortuna CA   722   2007-02-16   
707-686 A Loleta CA EURKCA01DMD  722      
707-686 3 Loleta CA   722   2014-04-07   
707-733 8 Loleta CA   722   2007-02-16   
707-768 5 Hydesville CA   722   2007-02-16   
707-783 A Rio Dell CA EURKCA01DMD  722      
707-783 3 Rio Dell CA   722   2014-04-07   
707-786 7 Ferndale CA   722   2007-02-16   
707-798 A Eureka CA EURKCA01DMD  722      
707-798 1 Eureka CA   722   2014-01-03   
707-798 2 Eureka CA   722   2014-01-03   
707-798 3 Eureka CA   722   2014-01-03   
707-798 4 Eureka CA   722   2014-01-03   
707-798 5 Eureka CA   722   2014-01-03   
707-798 6 Eureka CA   722   2014-01-03   
707-844 A Blue Lake CA EURKCA01DMD  722      
707-844 3 Blue Lake CA   722   2014-04-07   
707-851 A Hydesville CA EURKCA01DMD  722      
707-851 3 Hydesville CA   722   2014-04-07   
760-232 1 Pine Creek CA   730   2015-07-10   
760-258 1 Bishop CA   730   2007-05-17   
760-263 5 Big Pine CA   730   2007-05-17   
760-263 7 Big Pine CA   730   2014-03-23   
760-273 6 Earp: Earp DA CA   730   2014-03-03   
760-276 1 Parker Dam CA   730   2014-03-03   
760-278 5 Blythe CA   730   2014-03-23   
760-544 7 Blythe CA   730   2007-06-19   
760-627 A Earp: Earp DA CA VTVLCAXAXPX  730      
760-627 4 Earp: Earp DA CA   730   2006-10-27   
760-648 8 June Lake CA   730   2015-07-10   
760-709 5 Mammoth Lakes CA   730   2011-09-19   
760-965 0 Mammoth Lakes CA   730   2014-03-03   
831-312 A Monterey CA SLNSCA01XSY  736   2024-05-26   
831-312 5 Monterey CA   736   2024-05-26   
949-693 A Trabuco CA ANHMCA01XUY  730      
949-693 5 Trabuco CA   730   2022-08-29   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.