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: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-764 8 Oakdale CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2015-07-16   
209-764 9 Oakdale CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2015-05-14   
209-765 A Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-766 A Modesto CA SKTNCA0127T  9740 PACIFIC BELL 738      
209-767 A Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-767 0 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2022-12-22   
209-767 1 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2022-12-22   
209-767 2 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2022-11-14   
209-767 3 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2022-11-14   
209-767 4 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2022-11-14   
209-767 5 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2022-05-20   
209-767 6 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2022-05-20   
209-767 7 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2023-11-09   
209-767 8 Atwater CA SKTNCACZ4MD  939H COMMIO, LLC 738   2022-09-05   
209-767 9 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2022-05-08   
209-768 A Sonora: Main DA CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738      
209-769 A Merced CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738      
209-770 A Sonora: Main DA CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738      
209-771 A Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-771 0 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2021-08-13   
209-771 1 Modesto CA MNTCCAXGRMD  624H ONVOY SPECTRUM, LLC 738   2020-11-08   
209-771 2 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2021-08-13   
209-771 3 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2021-08-13   
209-771 4 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-11-07   
209-771 5 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-11-07   
209-771 6 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-11-07   
209-771 7 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-11-07   
209-771 8 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-11-07   
209-771 9 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-11-07   
209-772 A Valley Springs CA VYSPCA11RS0  9740 PACIFIC BELL 738      
209-772 0 Valley Springs CA VYSPCA11RS0  9740 PACIFIC BELL 738      
209-772 1 Valley Springs CA VYSPCA11RS0  9740 PACIFIC BELL 738      
209-772 2 Valley Springs CA VYSPCA11RS0  9740 PACIFIC BELL 738      
209-772 3 Valley Springs CA VYSPCA11RS0  9740 PACIFIC BELL 738      
209-772 4 Valley Springs CA SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2015-08-05   
209-772 5 Valley Springs CA SKTNCA111MD  9262 UTILITY TELECOM GROUP, LLC - CA 738   2006-05-24   
209-772 6 Valley Springs CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-26   
209-772 7 Valley Springs CA VYSPCA11RS0  9740 PACIFIC BELL 738      
209-772 8 Valley Springs CA VYSPCA11RS0  9740 PACIFIC BELL 738      
209-772 9 Valley Springs CA VYSPCA11RS0  9740 PACIFIC BELL 738      
209-773 A Mokelumne Hill CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738      
209-773 0 Mokelumne Hill CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2021-08-08   
209-773 1 Mokelumne Hill CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2022-01-28   
209-773 2 Mokelumne Hill CA SKTNCACZ9MD  516J TON80 COMMUNICATIONS, LLC 738   2021-09-17   
209-773 3 Mokelumne Hill CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2021-07-12   
209-773 4 Mokelumne Hill CA SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-11   
209-773 8 Mokelumne Hill CA SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2023-02-06   
209-773 9 Mokelumne Hill CA SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2022-02-24   
209-774 A Stockton CA SKTNCA01XXZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738      
209-774 0 Stockton CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.