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: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
510-698 7 Oakland: Fruitvale DA CA SNJSCAYB0MD  722      
510-707 5 Oakland: Trinidad DA CA SNJSCAYB0MD  722   2016-05-31   
510-726 3 Crockett CA SNJSCAYB0MD  722   2017-03-10   
510-735 3 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2015-03-21   
510-740 2 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2010-04-04   
510-744 8 Fremont-Newark: Main DA CA SNJSCAYB0MD  722   2012-10-12   
510-746 A Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-746 0 Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-746 1 Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-746 2 Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-746 3 Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-746 4 Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-746 5 Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-746 7 Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-746 9 Oakland: Trinidad DA CA SNJSCAYB0MD  722      
510-803 8 Hercules-Rodeo CA SNJSCAYB0MD  722   2001-07-30   
510-809 A Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-809 0 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-809 1 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-809 2 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-809 3 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-809 4 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-809 8 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-809 9 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-821 6 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2016-08-28   
510-821 7 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2016-08-28   
510-830 3 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2008-11-16   
510-837 6 Richmond CA SNJSCAYB0MD  722   2007-12-27   
510-838 3 Oakland: Fruitvale DA CA SNJSCAYB0MD  722   2014-10-09   
510-844 5 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2012-01-12   
510-844 6 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2013-08-31   
510-844 7 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2013-08-31   
510-852 8 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2013-12-26   
510-859 A Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-859 0 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-859 1 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-859 2 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-859 9 Oakland: Berkeley DA CA SNJSCAYB0MD  722      
510-899 6 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2001-07-30   
510-899 7 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2003-02-28   
510-899 8 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  722   2004-03-13   
510-933 A Fremont-Newark: Oliver DA CA SNJSCAYB0MD  722      
510-940 A Hayward CA SNJSCAYB0MD  722      
510-940 0 Hayward CA SNJSCAYB0MD  722      
510-940 1 Hayward CA SNJSCAYB0MD  722      
510-940 2 Hayward CA SNJSCAYB0MD  722      
510-940 4 Hayward CA SNJSCAYB0MD  722      
510-940 7 Hayward CA SNJSCAYB0MD  722      
510-953 7 Fremont-Newark: Main DA CA SNJSCAYB0MD  722   2014-09-30   
510-964 5 El Sobrante-Pinole CA SNJSCAYB0MD  722   2003-09-30   
510-965 6 Richmond CA SNJSCAYB0MD  722   2001-09-03   
510-982 7 Oakland: Berkeley DA CA SNJSCAYB0MD  722   2001-09-03   
510-982 8 Oakland: Berkeley DA CA SNJSCAYB0MD  722   2001-09-03   
510-995 A Oakland: Alameda DA CA SNJSCAYB0MD  722      
510-995 1 Oakland: Alameda DA CA SNJSCAYB0MD  722      
510-995 2 Oakland: Alameda DA CA SNJSCAYB0MD  722      
510-995 3 Oakland: Alameda DA CA SNJSCAYB0MD  722      
510-995 4 Oakland: Alameda DA CA SNJSCAYB0MD  722      
510-995 5 Oakland: Alameda DA CA SNJSCAYB0MD  722      
510-995 9 Oakland: Alameda DA CA SNJSCAYB0MD  722      
512-213 3 Lockhart TX AUSTTXEE7MD  558   2010-12-23   
512-229 A Elgin TX AUSTTXEE7MD  558      
512-229 2 Elgin TX AUSTTXEE7MD  558   2007-07-13   
512-309 3 Taylor TX AUSTTXEE7MD  558   2010-12-23   
512-337 0 Leander TX AUSTTXEE7MD  558   2007-07-13   
512-381 A Austin TX AUSTTXEE7MD  558      
512-515 4 Liberty Hill EACS TX AUSTTXEE7MD  558   2010-12-23   
512-678 A Bastrop TX AUSTTXEE7MD  558      
512-678 2 Bastrop TX AUSTTXEE7MD  558      
512-678 4 Bastrop TX AUSTTXEE7MD  558      
512-678 7 Bastrop TX AUSTTXEE7MD  558      
512-702 A Austin TX AUSTTXEE7MD  558      
512-702 3 Austin TX AUSTTXEE7MD  558   2022-07-24   
512-702 4 Austin TX AUSTTXEE7MD  558   2022-07-24   
512-702 8 Austin TX AUSTTXEE7MD  558   2022-07-24   
512-735 A Austin TX AUSTTXEE7MD  558      
512-798 5 Smithville TX AUSTTXEE7MD  558   2010-12-23   
512-880 A Bastrop TX AUSTTXEE7MD  558      
512-880 5 Bastrop TX AUSTTXEE7MD  558   2022-07-24   
512-880 7 Bastrop TX AUSTTXEE7MD  558   2022-07-24   
512-953 4 Austin TX AUSTTXEE7MD  558   2015-05-04   
512-960 8 Austin TX AUSTTXEE7MD  558   2014-06-20   
530-203 A Elk Creek CA CHICCA01XQX  724      
530-203 3 Elk Creek CA CHICCA01XQX  724   2013-07-13   
530-207 5 Woodland CA SCRMCA0121Z  726   2005-04-29   
530-215 2 Redding CA CHICCA01XQX  724   2012-09-09   
530-237 8 Marysville CA SCRMCA0121Z  726      
530-239 6 Mount Shasta CA CHICCA01XQX  724   2011-05-14   
530-259 8 Chester CA CHICCA01XQX  724   2021-05-03   
530-284 2 Greenville CA CHICCA01XQX  724   2021-05-06   
530-314 5 South Tahoe CA SCRMCA0121Z  726   2011-04-22   
530-327 5 Paradise CA CHICCA01XQX  724   2010-11-28   
530-330 8 Willows CA CHICCA01XQX  724   2011-05-12   
530-337 3 Montgomery Creek CA CHICCA01XQX  724   2017-09-09   
530-344 4 Placerville: West DA CA SCRMCA0121Z  726   2003-10-29   
530-346 5 Colfax: Colfax DA CA SCRMCA0121Z  726   2015-10-29   
530-351 7 Redding CA CHICCA01XQX  724   2005-09-30   
530-377 7 Cottonwood CA CHICCA01XQX  724   2010-11-28   
530-393 5 Williams CA SCRMCA0121Z  726   2015-07-17   
530-395 8 Redding CA CHICCA01XQX  724   2015-11-20   

<< 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 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.