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: SNFCCAMKDS3

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-335 8 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-336 4 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2004-07-08   
510-337 4 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722   2009-01-14   
510-340 2 Hayward CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-340 3 Hayward CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-340 4 Hayward CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-340 5 Hayward CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-340 7 Hayward CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-343 3 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2005-07-07   
510-345 0 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2016-03-14   
510-345 1 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2016-03-14   
510-345 2 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2016-03-14   
510-345 3 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2016-03-14   
510-345 4 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2016-04-23   
510-345 5 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2016-04-23   
510-350 1 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2011-03-24   
510-350 3 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2007-09-07   
510-355 8 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722   2009-01-14   
510-355 9 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722   2024-07-27   
510-356 3 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2009-03-08   
510-356 5 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2008-04-18   
510-356 6 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2008-04-18   
510-361 0 Hayward CA 649C ONVOY, LLC - CA 722   2016-02-16   
510-363 3 Hayward CA 649C ONVOY, LLC - CA 722   2008-12-16   
510-368 7 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2016-01-13   
510-369 A Richmond CA 649C ONVOY, LLC - CA 722      
510-369 0 Richmond CA 649C ONVOY, LLC - CA 722   2016-04-04   
510-369 1 Richmond CA 649C ONVOY, LLC - CA 722   2016-04-04   
510-369 2 Richmond CA 649C ONVOY, LLC - CA 722   2016-04-05   
510-369 3 Richmond CA 649C ONVOY, LLC - CA 722   2016-04-05   
510-369 4 Richmond CA 649C ONVOY, LLC - CA 722   2016-04-23   
510-369 5 Richmond CA 649C ONVOY, LLC - CA 722   2016-04-23   
510-369 6 Richmond CA 649C ONVOY, LLC - CA 722   2016-05-05   
510-369 7 Richmond CA 649C ONVOY, LLC - CA 722   2016-05-05   
510-371 8 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2008-12-03   
510-371 9 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2008-12-03   
510-372 A Hayward CA 649C ONVOY, LLC - CA 722      
510-372 0 Hayward CA 649C ONVOY, LLC - CA 722      
510-372 1 Hayward CA 649C ONVOY, LLC - CA 722      
510-372 2 Hayward CA 649C ONVOY, LLC - CA 722      
510-373 A Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722      
510-373 0 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722      
510-373 1 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722      
510-373 2 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722      
510-373 3 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722   2005-03-06   
510-373 7 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722   2005-06-03   
510-373 8 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722   2005-06-03   
510-373 9 Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722   2007-01-27   
510-380 A Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722      
510-380 5 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722      
510-380 6 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722      
510-380 7 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722      
510-380 9 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2024-08-21   
510-389 0 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-389 1 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-389 2 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-389 3 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-389 4 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-389 5 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-389 7 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-389 8 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-389 9 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2023-10-29   
510-390 7 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2016-01-13   
510-390 8 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2016-02-15   
510-390 9 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2016-02-15   
510-391 3 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-03-08   
510-391 4 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-03-08   
510-391 5 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-03-08   
510-392 0 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-03-02   
510-392 1 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-03-02   
510-392 2 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-03-02   
510-392 3 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-03-02   
510-392 4 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-04-04   
510-392 5 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-04-04   
510-392 6 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-04-04   
510-395 8 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2005-11-25   
510-397 3 Hayward CA 649C ONVOY, LLC - CA 722   2008-10-18   
510-397 4 Hayward CA 649C ONVOY, LLC - CA 722   2008-10-18   
510-397 5 Hayward CA 649C ONVOY, LLC - CA 722   2008-10-18   
510-397 7 Hayward CA 649C ONVOY, LLC - CA 722   2010-04-22   
510-398 4 Hayward CA 649C ONVOY, LLC - CA 722   2013-01-17   
510-399 A Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-399 0 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2016-07-07   
510-399 1 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2016-07-07   
510-399 2 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2016-07-07   
510-401 3 Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2013-01-17   
510-405 A Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-406 7 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2008-12-03   
510-413 7 Fremont-Newark: Oliver DA CA 649C ONVOY, LLC - CA 722   2009-12-18   
510-422 0 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2016-03-03   
510-422 1 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2016-03-03   
510-422 2 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2016-02-26   
510-422 4 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2016-02-26   
510-423 5 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2009-01-17   
510-426 9 Richmond CA 649C ONVOY, LLC - CA 722   2016-02-01   
510-431 7 Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2009-12-18   
510-439 A Richmond CA 649C ONVOY, LLC - CA 722      
510-439 0 Richmond CA 649C ONVOY, LLC - CA 722      
510-439 1 Richmond CA 649C ONVOY, LLC - CA 722      
510-439 2 Richmond CA 649C ONVOY, LLC - CA 722      

<< 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 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.