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.

NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-246 5 Brea CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2014-11-04   
657-246 6 Brea CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-09-19   
657-246 7 Brea CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-09-19   
657-246 8 Brea CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2016-05-31   
657-246 9 Brea CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2014-11-01   
657-247 A Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
657-247 0 Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-12-29   
657-247 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-12-30   
657-247 2 Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-08-31   
657-247 3 Santa Ana CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2015-09-08   
657-247 4 Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-01-10   
657-247 5 Santa Ana CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-02-09   
657-247 6 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-02-10   
657-247 7 Santa Ana CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2014-12-31   
657-247 8 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-02-10   
657-247 9 Santa Ana CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-02-10   
657-248 A Fullerton CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-248 0 Fullerton CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-04-04   
657-248 1 Fullerton CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-04-04   
657-248 2 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-25   
657-248 3 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-25   
657-248 4 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-25   
657-248 5 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-25   
657-248 6 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-25   
657-248 7 Fullerton CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-04-27   
657-248 8 Fullerton CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-11-28   
657-248 9 Fullerton CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-11-28   
657-249 A Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-249 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 2 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 3 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 6 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 7 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-249 9 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-250 A Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-250 0 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-250 1 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-250 2 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-250 3 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-250 4 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-250 5 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-24   
657-250 6 Garden Grove CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2016-12-22   
657-250 7 Garden Grove CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-06-11   
657-250 8 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-04-12   
657-250 9 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-04-12   
657-251 A Garden Grove CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.