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: 516C AT&T CORP.

<< 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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
504-264 7 New Orleans LA NWORLAMA90Z  490   2009-07-09   
504-336 4 Kenner LA NWORLAMA90Z  490   2014-10-13   
504-345 2 New Orleans LA NWORLAMA90Z  490   2011-01-24   
504-405 5 Kenner LA NWORLAMA90Z  490   2012-11-07   
504-407 3 New Orleans LA NWORLAMA90Z  490   2012-01-24   
504-475 A New Orleans LA NWORLAMA90Z  490      
504-475 5 New Orleans LA NWORLAMA90Z  490   2014-04-12   
504-510 A New Orleans LA NWORLAMA90Z  490      
504-510 3 New Orleans LA NWORLAMA90Z  490   2015-04-04   
504-510 4 New Orleans LA NWORLAMA90Z  490   2014-12-24   
504-510 5 New Orleans LA NWORLAMA90Z  490   2014-11-29   
504-533 9 New Orleans LA NWORLAMA90Z  490   2013-04-08   
504-571 5 New Orleans LA NWORLAMA90Z  490   2011-07-28   
504-592 7 New Orleans LA NWORLAMA90Z  490   2013-12-09   
504-656 1 Jesuit Bend LA NWORLAMA90Z  490   2011-05-11   
504-667 3 Kenner LA NWORLAMA90Z  490   2009-07-23   
504-702 8 New Orleans LA NWORLAMA90Z  490   2014-08-22   
504-814 5 Venice LA NWORLAMA90Z  490   2011-10-05   
510-250 9 Oakland: Main-Piedmont DA CA SNFCCA01XGX  722   2011-09-30   
510-263 8 Oakland: Alameda DA CA SNFCCA01XGX  722   2006-06-30   
510-270 8 Fremont-Newark: Oliver DA CA SNFCCA01XGX  722   2006-06-30   
510-274 5 Hayward CA SNFCCA01XGX  722   2006-07-07   
510-283 5 El Sobrante-Pinole CA SNFCCA01XGX  722   2007-02-19   
510-320 5 Fremont-Newark: Main DA CA SNFCCA01XGX  722   2013-10-29   
510-327 4 Hercules-Rodeo CA SNFCCA01XGX  722   2007-02-19   
510-328 1 Oakland: Fruitvale DA CA SNFCCA01XGX  722   2013-09-03   
510-374 6 Richmond CA SNFCCA01XGX  722   2006-06-30   
510-398 8 Hayward CA SNFCCA01XGX  722   2012-11-08   
510-431 3 Fremont-Newark: Greenleaf DA CA SNFCCA01XGX  722   2006-06-30   
510-455 9 Crockett CA SNFCCA01XGX  722   2011-05-16   
510-460 9 Hayward CA SNFCCA01XGX  722   2010-06-21   
510-479 3 Oakland: Fruitvale DA CA SNFCCA01XGX  722   2006-06-30   
510-529 4 Oakland: Berkeley DA CA SNFCCA01XGX  722   2006-06-30   
510-565 1 Fremont-Newark: Main DA CA SNFCCA01XGX  722   2007-09-14   
510-567 3 Oakland: Trinidad DA CA SNFCCA01XGX  722   2010-07-06   
510-640 0 El Sobrante-Pinole CA SNFCCA01XGX  722   2015-06-18   
510-674 9 Hayward CA SNFCCA01XGX  722   2015-05-07   
510-679 5 Oakland: Berkeley DA CA SNFCCA01XGX  722   2015-07-13   
510-680 5 Richmond CA SNFCCA01XGX  722   2013-11-04   
510-686 A Oakland: Trinidad DA CA SNFCCA01XGX  722      
510-686 1 Oakland: Trinidad DA CA SNFCCA01XGX  722      
510-686 9 Oakland: Trinidad DA CA   722      
510-696 1 Oakland: Fruitvale DA CA SNFCCA01XGX  722   2016-06-14   
510-817 4 Oakland: Main-Piedmont DA CA SNFCCA01XGX  722   2006-06-30   
510-823 2 Oakland: Main-Piedmont DA CA SNFCCA01XGX  722   2014-05-16   
510-850 5 Oakland: Trinidad DA CA SNFCCA01XGX  722   2015-06-27   
510-876 A Hayward CA SNFCCA01XGX  722      
510-876 5 Hayward CA SNFCCA01XGX  722   2014-04-26   
510-878 1 Oakland: Trinidad DA CA SNFCCA01XGX  722   2014-04-11   
510-952 0 Fremont-Newark: Greenleaf DA CA SNFCCA01XGX  722   2014-10-14   

<< 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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 >>

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.