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: 7453 U.S. TELEPACIFIC CORP. - CA

<< 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 Switch LATA LIR Eff date Disc date
559-339 6 Porterville CA   728      
559-344 6 Fowler CA FRSNCA01X9Y  728   2011-04-19   
559-348 5 Fresno CA FRSNCA01X9Y  728   2011-06-02   
559-363 6 Madera CA FRSNCA01X2Z  728   2005-10-17   
559-364 2 San Joaquin CA FRSNCA01X9Y  728   2011-12-04   
559-366 1 Tulare CA FRSNCA01X9Y  728   2005-12-05   
559-374 3 Fresno CA FRSNCA01X9Y  728   2013-11-14   
559-375 7 Fresno CA FRSNCA01X9Y  728   2006-09-15   
559-383 3 Avenal CA FRSNCA01X9Y  728   2010-11-28   
559-391 A Reedley CA FRSNCA01XRY  728      
559-391 2 Reedley CA FRSNCA01X9Y  728   2014-10-04   
559-391 3 Reedley CA FRSNCA01XRY  728   2013-08-16   
559-391 4 Reedley CA FRSNCA01XRY  728   2013-08-16   
559-391 5 Reedley CA FRSNCA01XRY  728   2013-08-16   
559-403 7 Caruthers CA FRSNCA01XRY  728   2014-08-16   
559-404 5 Coalinga CA FRSNCA01X9Y  728   2013-05-10   
559-405 6 Del Rey CA FRSNCA01X2Z  728   2017-09-09   
559-407 8 Firebaugh CA FRSNCA01X9Y  728   2011-12-04   
559-415 7 Hanford CA FRSNCA01X9Y  728   2007-09-08   
559-423 6 Lemoore CA FRSNCA01X2Z  728   2004-11-14   
559-424 7 Mendota CA FRSNCA01X2Z  728   2014-12-08   
559-460 5 Selma CA FRSNCA01X9Y  728   2005-12-05   
559-465 3 Three Rivers CA FRSNCA01X2Z  728   2016-04-04   
559-468 5 Woodlake CA FRSNCA01X9Y  728   2013-08-12   
559-475 5 Fresno CA FRSNCA01XRY  728   2008-11-16   
559-475 7 Fresno CA FRSNCA01X9Y  728   2008-10-18   
559-476 1 Fresno CA FRSNCA01X9Y  728   2007-03-04   
559-476 2 Fresno CA FRSNCA01X9Y  728   2007-03-04   
559-476 3 Fresno CA FRSNCA01X9Y  728   2007-03-04   
559-476 8 Fresno CA FRSNCA01X9Y  728   2007-03-04   
559-482 8 Burrel CA FRSNCA01X9Y  728   2013-04-22   
559-517 A Madera CA FRSNCA01XRY  728      
559-517 2 Madera CA FRSNCA01XRY  728   2009-07-23   
559-527 7 Terra Bella CA FRSNCA01X2Z  728   2017-09-09   
559-537 A Hanford CA FRSNCA01X9Y  728      
559-537 0 Hanford CA FRSNCA01XRY  728   2010-05-06   
559-537 1 Hanford CA FRSNCA01XRY  728   2010-05-06   
559-537 2 Hanford CA FRSNCA01XRY  728   2010-05-06   
559-537 3 Hanford CA FRSNCA01XRY  728   2010-05-06   
559-537 4 Hanford CA FRSNCA01XRY  728   2010-05-06   
559-537 7 Hanford CA FRSNCA01X9Y  728   2011-06-03   
559-543 3 Huron CA FRSNCA01XRY  728   2014-08-16   
559-547 2 Fresno CA FRSNCA01X9Y  728   2014-04-28   
559-558 4 Fresno CA FRSNCA01X2Z  728   2014-08-09   
559-560 3 Porterville CA FRSNCA01X2Z  728      
559-577 A Fresno CA FRSNCA01X9Y  728      
559-577 1 Fresno CA FRSNCA01X9Y  728   2005-04-30   
559-596 6 Dinuba CA FRSNCA01X9Y  728   2010-12-12   
559-605 A Tulare CA FRSNCA01XRY  728      
559-605 0 Tulare CA FRSNCA01XRY  728   2020-03-27   

<< 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: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.