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: 7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
707-741 A Benicia CA SNFCCAFJDS0  722      
707-741 2 Benicia CA   722      
707-748 6 Benicia CA   722   2019-09-01   
707-757 6 Santa Rosa CA   722   2017-08-14   
707-760 6 Rio Dell CA   722   2012-06-14   
707-806 5 Santa Rosa CA   722   2018-06-01   
707-809 6 Middletown CA   722   2007-09-09   
707-814 A Geyserville CA SNRSCA01KMD  722      
707-814 9 Geyserville CA   722      
707-816 3 Fairfield-Suisun CA   722   2006-03-24   
707-816 4 Fairfield-Suisun CA   722   2006-03-24   
707-816 5 Fairfield-Suisun CA   722   2006-03-24   
707-820 A Forestville CA SNRSCA01KMD  722      
707-820 9 Forestville CA   722      
707-832 1 Eureka CA   722   2021-05-28   
707-835 A Petaluma: Main DA CA OKLDCA03DS5  722      
707-835 0 Petaluma: Main DA CA   722      
707-841 8 Willits CA   722   2016-11-28   
707-900 6 Lakeport CA   722   2012-08-01   
707-901 A Boonville CA SNFCCAFJDS0  722      
707-901 9 Boonville CA   722      
707-904 A Forestville CA SNRSCA01KMD  722      
707-904 6 Forestville CA   722   2022-03-25   
707-914 A Fairfield-Suisun CA SNRSCA01KMD  722      
707-914 0 Fairfield-Suisun CA   722   2021-12-13   
707-917 4 Vallejo CA   722   2017-07-13   
707-931 A Sonoma CA OKLDCA03DS6  722      
707-931 2 Sonoma CA   722      
707-932 6 Garberville CA   722   2013-05-30   
707-956 7 Napa CA   722   2025-01-06   
707-962 6 Fort Bragg CA   722   2012-11-12   
707-977 1 Napa CA   722   2025-03-12   
707-984 5 Laytonville CA   722   2023-07-03   
707-992 A Petaluma: Swift DA CA SNRSCA01KMD  722      
707-992 1 Petaluma: Swift DA CA   722      
831-202 6 Salinas CA   736   2019-05-08   
831-205 A Hollister CA SLNSCA01X1Y  736      
831-205 6 Hollister CA   736   2009-12-15   
831-216 A Felton CA SNJSCA02DS4  722      
831-216 9 Felton CA   722      
831-217 A Boulder Creek CA SNJSCA02DS4  722      
831-217 9 Boulder Creek CA   722      
831-218 A Ben Lomond CA SNJSCA02DS4  722      
831-218 0 Ben Lomond CA   722      
831-219 A Aptos CA SNJSCA02DS4  722      
831-219 0 Aptos CA   722      
831-219 9 Aptos CA   722      
831-260 6 Soledad CA   736   2022-05-23   
831-264 5 Monterey CA   736   2007-08-27   
831-264 6 Monterey CA   736   2011-08-01   
831-264 9 Monterey CA   736   2016-06-16   
831-269 A Salinas CA SLNSCA01X1Y  736      
831-269 7 Salinas CA   736   2007-08-20   
831-293 6 Carmel CA   736   2010-05-24   
831-296 8 Salinas CA   736   2014-10-01   
831-315 6 Soledad CA   736   2016-05-16   
831-387 3 King City CA   736   2019-02-11   
831-430 7 Santa Cruz CA   722   2019-08-17   
831-460 5 Santa Cruz CA   722   2005-11-28   
831-500 6 Salinas CA   736   2017-10-20   
831-580 3 Gonzales CA   736   2019-10-12   
831-643 6 Monterey CA   736   2019-05-31   
831-676 2 Salinas CA   736   2011-07-25   
831-731 6 Castroville CA   736   2008-05-12   
831-740 A Watsonville CA SNFCCAFJDS0  722      
831-740 0 Watsonville CA   722   2015-04-24   
831-740 4 Watsonville CA   722      
831-824 A Santa Cruz CA SNFCCAFJDS0  722      
831-824 3 Santa Cruz CA   722   2009-12-10   
831-824 9 Santa Cruz CA   722      
831-837 6 Salinas CA   736   2022-05-04   
831-856 6 Greenfield (Monterey) CA   736   2014-11-06   
831-946 7 Santa Cruz CA   722   2022-05-02   
916-210 A Sacramento: Main DA CA SCRMCA01X2Z  726      
916-210 1 Sacramento: Main DA CA   726   2015-11-28   
916-210 2 Sacramento: Main DA CA   726   2015-11-27   
916-210 3 Sacramento: Main DA CA   726   2015-11-27   
916-210 4 Sacramento: Main DA CA   726   2015-11-27   
916-210 5 Sacramento: Main DA CA   726   2015-11-27   
916-210 6 Sacramento: Main DA CA   726   2015-11-27   
916-210 7 Sacramento: Main DA CA   726   2015-11-27   
916-210 8 Sacramento: Main DA CA   726   2015-11-28   
916-238 A Rio Linda CA SCRLCAXXDS0  726      
916-238 9 Rio Linda CA   726      
916-250 5 South Placer CA   726   2016-03-03   
916-288 A Sacramento: Main DA CA SCRLCAXXDS0  726      
916-288 0 Sacramento: Main DA CA   726      
916-288 1 Sacramento: Main DA CA   726      
916-288 2 Sacramento: Main DA CA   726      
916-288 3 Sacramento: Main DA CA   726      
916-288 4 Sacramento: Main DA CA   726      
916-288 6 Sacramento: Main DA CA   726      
916-306 2 Sacramento: Main DA CA   726   2017-10-06   
916-309 6 Sacramento: Main DA CA   726   2018-02-22   
916-312 A Michigan Bar CA SCRLCAXXDS0  726      
916-312 9 Michigan Bar CA   726      
916-330 6 Sacramento: Main DA CA   726   2014-04-25   
916-400 A Sacramento: Main DA CA SCRLCAXXDS0  726      
916-400 5 Sacramento: Main DA CA   726   2007-08-20   
916-400 6 Sacramento: Main DA CA   726   2007-08-20   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.