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
209-522 A Modesto CA MDSTCA02DS0  9740 PACIFIC BELL 738      
209-523 A Modesto CA MDSTCA02DS0  9740 PACIFIC BELL 738      
209-524 A Modesto CA MDSTCA02DS0  9740 PACIFIC BELL 738      
209-525 A Modesto CA MDSTCA02DS0  9740 PACIFIC BELL 738      
209-526 A Modesto CA MDSTCA02DS0  9740 PACIFIC BELL 738      
209-527 A Modesto CA MDSTCA02DS0  9740 PACIFIC BELL 738      
209-528 A Waterford: Don Pedro DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-528 0 Waterford: Don Pedro DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-26   
209-528 1 Waterford: Don Pedro DA CA   515J IP HORIZON LLC 738      
209-528 2 Waterford: Don Pedro DA CA   515J IP HORIZON LLC 738      
209-528 3 Waterford: Don Pedro DA CA SKTNCA01X7Z  508J CENTURYLINK COMMUNICATIONS, LLC 738   2014-05-12   
209-528 4 Waterford: Don Pedro DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2021-05-09   
209-528 5 Waterford: Don Pedro DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-26   
209-528 6 Waterford: Don Pedro DA CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2022-04-12   
209-528 7 Waterford: Don Pedro DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2011-05-05   
209-528 8 Waterford: Don Pedro DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-23   
209-528 9 Waterford: Don Pedro DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2019-03-08   
209-529 A Modesto CA MDSTCA02DS0  9740 PACIFIC BELL 738      
209-530 A Modesto CA MDSTCA02DS0  9740 PACIFIC BELL 738      
209-531 A Modesto CA MDSTCA03DS0  9740 PACIFIC BELL 738      
209-531 0 Modesto CA MDSTCA03DS0  9740 PACIFIC BELL 738      
209-531 1 Modesto CA MDSTCA03DS0  9740 PACIFIC BELL 738      
209-531 2 Modesto CA MDSTCA03DS0  9740 PACIFIC BELL 738      
209-531 3 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-531 4 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-531 5 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-531 6 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-531 7 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-531 8 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-531 9 Modesto CA MDSTCA03DS0  9740 PACIFIC BELL 738      
209-532 A Sonora: Main DA CA SNRACA13DS1  9740 PACIFIC BELL 738      
209-533 A Sonora: Main DA CA SNRACA13DS1  9740 PACIFIC BELL 738      
209-534 A Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-534 0 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2004-06-18   
209-534 1 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-534 2 Modesto CA SKTOCAOY6MD  5562 METROPCS, INC. 738   2004-11-11   
209-534 3 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2005-09-19   
209-534 4 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-534 5 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-534 6 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-534 7 Modesto CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-534 8 Modesto CA SKTOCAOY6MD  5562 METROPCS, INC. 738      
209-534 9 Modesto CA SKTOCAOY6MD  5562 METROPCS, INC. 738      
209-535 A Turlock CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-536 A Sonora: Main DA CA SNRACA13DS1  9740 PACIFIC BELL 738      
209-536 0 Sonora: Main DA CA SNRACA13DS1  9740 PACIFIC BELL 738      
209-536 1 Sonora: Main DA CA SNRACA13DS1  9740 PACIFIC BELL 738      
209-536 2 Sonora: Main DA CA SNRACA13DS1  9740 PACIFIC BELL 738      
209-536 3 Sonora: Main DA CA SNRACA13DS1  9740 PACIFIC BELL 738      
209-536 4 Sonora: Main DA CA SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2011-07-29   

<< 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: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.