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: SNJUCACL4MD

1 2 3 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
341-203 7 Richmond CA 939H COMMIO, LLC 722      
341-203 8 Richmond CA 939H COMMIO, LLC 722      
341-203 9 Richmond CA 939H COMMIO, LLC 722      
341-210 8 Oakland: Alameda DA CA 939H COMMIO, LLC 722      
341-213 0 Oakland: Main-Piedmont DA CA 939H COMMIO, LLC 722      
341-216 3 Fremont-Newark: Main DA CA 939H COMMIO, LLC 722      
341-223 A Oakland: Alameda DA CA 939H COMMIO, LLC 722      
341-223 0 Oakland: Alameda DA CA 939H COMMIO, LLC 722      
341-223 1 Oakland: Alameda DA CA 939H COMMIO, LLC 722      
341-223 2 Oakland: Alameda DA CA 939H COMMIO, LLC 722      
341-239 9 Oakland: Alameda DA CA 939H COMMIO, LLC 722      
341-240 0 Hayward CA 939H COMMIO, LLC 722      
341-240 1 Hayward CA 939H COMMIO, LLC 722      
341-240 2 Hayward CA 939H COMMIO, LLC 722      
341-242 0 Richmond CA 939H COMMIO, LLC 722      
341-242 1 Richmond CA 939H COMMIO, LLC 722      
341-242 2 Richmond CA 939H COMMIO, LLC 722      
341-243 A Hercules-Rodeo CA 939H COMMIO, LLC 722   2024-02-24   
341-243 0 Hercules-Rodeo CA 939H COMMIO, LLC 722      
341-243 1 Hercules-Rodeo CA 939H COMMIO, LLC 722      
369-203 A Bridgeville CA 939H COMMIO, LLC 722      
369-203 0 Bridgeville CA 939H COMMIO, LLC 722      
369-203 1 Bridgeville CA 939H COMMIO, LLC 722      
369-203 2 Bridgeville CA 939H COMMIO, LLC 722      
369-203 3 Bridgeville CA 939H COMMIO, LLC 722      
369-203 4 Bridgeville CA 939H COMMIO, LLC 722      
369-204 A Clearlake Oaks CA 939H COMMIO, LLC 722      
369-204 0 Clearlake Oaks CA 939H COMMIO, LLC 722      
369-204 1 Clearlake Oaks CA 939H COMMIO, LLC 722      
369-204 2 Clearlake Oaks CA 939H COMMIO, LLC 722      
369-204 3 Clearlake Oaks CA 939H COMMIO, LLC 722      
369-204 4 Clearlake Oaks CA 939H COMMIO, LLC 722      
369-205 A Guerneville CA 939H COMMIO, LLC 722      
369-205 0 Guerneville CA 939H COMMIO, LLC 722      
369-205 1 Guerneville CA 939H COMMIO, LLC 722      
369-205 2 Guerneville CA 939H COMMIO, LLC 722      
369-205 3 Guerneville CA 939H COMMIO, LLC 722      
369-205 4 Guerneville CA 939H COMMIO, LLC 722      
369-206 A Miranda CA 939H COMMIO, LLC 722      
369-206 0 Miranda CA 939H COMMIO, LLC 722      
369-206 1 Miranda CA 939H COMMIO, LLC 722      
369-206 2 Miranda CA 939H COMMIO, LLC 722      
369-206 3 Miranda CA 939H COMMIO, LLC 722      
369-206 4 Miranda CA 939H COMMIO, LLC 722      
369-207 A Trinidad CA 939H COMMIO, LLC 722      
369-207 0 Trinidad CA 939H COMMIO, LLC 722      
369-207 1 Trinidad CA 939H COMMIO, LLC 722      
369-207 2 Trinidad CA 939H COMMIO, LLC 722      
369-207 3 Trinidad CA 939H COMMIO, LLC 722      
369-207 4 Trinidad CA 939H COMMIO, LLC 722      
369-214 A Santa Rosa CA 939H COMMIO, LLC 722   2024-02-24   
369-214 0 Santa Rosa CA 939H COMMIO, LLC 722      
369-214 1 Santa Rosa CA 939H COMMIO, LLC 722      
369-214 2 Santa Rosa CA 939H COMMIO, LLC 722      
369-215 A Lower Lake CA 939H COMMIO, LLC 722   2024-03-03   
408-333 3 San Jose: South DA CA 939H COMMIO, LLC 722      
408-333 6 San Jose: South DA CA 939H COMMIO, LLC 722      
408-333 7 San Jose: South DA CA 939H COMMIO, LLC 722      
408-521 8 San Jose: West DA CA 939H COMMIO, LLC 722      
415-466 7 San Francisco: Juniper DA CA 939H COMMIO, LLC 722      
415-594 1 San Francisco: Juniper DA CA 939H COMMIO, LLC 722      
415-594 2 San Francisco: Juniper DA CA 939H COMMIO, LLC 722      
415-859 2 San Francisco: Juniper DA CA 939H COMMIO, LLC 722      
510-312 A Crockett CA 939H COMMIO, LLC 722      
510-312 0 Crockett CA 939H COMMIO, LLC 722      
510-312 1 Crockett CA 939H COMMIO, LLC 722      
510-312 2 Crockett CA 939H COMMIO, LLC 722      
510-312 3 Crockett CA 939H COMMIO, LLC 722      
510-312 4 Crockett CA 939H COMMIO, LLC 722      
510-549 7 Oakland: Berkeley DA CA 939H COMMIO, LLC 722      
510-592 2 Hercules-Rodeo CA 939H COMMIO, LLC 722      
510-592 3 Hercules-Rodeo CA 939H COMMIO, LLC 722      
510-951 3 Hayward CA 939H COMMIO, LLC 722      
510-951 4 Hayward CA 939H COMMIO, LLC 722      
628-240 5 San Rafael CA 939H COMMIO, LLC 722      
628-277 6 San Rafael CA 939H COMMIO, LLC 722      
628-281 0 San Francisco: Central DA CA 939H COMMIO, LLC 722      
628-281 5 San Francisco: Central DA CA 939H COMMIO, LLC 722      
628-281 6 San Francisco: Central DA CA 939H COMMIO, LLC 722      
628-281 7 San Francisco: Central DA CA 939H COMMIO, LLC 722      
628-284 2 San Francisco: Central DA CA 939H COMMIO, LLC 722      
628-292 A Belvedere CA 939H COMMIO, LLC 722      
628-292 0 Belvedere CA 939H COMMIO, LLC 722      
628-292 1 Belvedere CA 939H COMMIO, LLC 722      
628-292 2 Belvedere CA 939H COMMIO, LLC 722      
628-292 3 Belvedere CA 939H COMMIO, LLC 722      
628-292 4 Belvedere CA 939H COMMIO, LLC 722      
628-293 A Nicasio CA 939H COMMIO, LLC 722      
628-293 0 Nicasio CA 939H COMMIO, LLC 722      
628-293 1 Nicasio CA 939H COMMIO, LLC 722      
628-293 2 Nicasio CA 939H COMMIO, LLC 722      
628-293 3 Nicasio CA 939H COMMIO, LLC 722      
628-293 4 Nicasio CA 939H COMMIO, LLC 722      
628-295 0 San Rafael CA 939H COMMIO, LLC 722      
628-295 1 San Rafael CA 939H COMMIO, LLC 722      
628-295 8 San Rafael CA 939H COMMIO, LLC 722      
628-338 1 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722      
628-338 7 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722      
628-338 8 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722      
628-338 9 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722      

1 2 3 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.