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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-296 9 Placerville: Kyburz DA CA SCRLCAXXDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 726      
530-297 A Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 0 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 1 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 2 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 3 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 4 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 5 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 6 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 7 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-297 8 Davis CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2011-06-03   
530-297 9 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-298 A Davis CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-298 0 Davis CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-298 1 Davis CA SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726   2021-07-15   
530-298 2 Davis CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2021-08-09   
530-298 3 Davis CA SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726   2021-11-20   
530-298 4 Davis CA SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726   2021-11-20   
530-298 5 Davis CA   649C ONVOY, LLC - CA 726   2025-05-02   
530-298 6 Davis CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2011-08-15   
530-298 7 Davis CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2011-08-26   
530-298 8 Davis CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-298 9 Davis CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2012-12-31   
530-299 A Adin CA ADINCAXFRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-299 0 Adin CA ADINCAXFRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-299 3 Adin CA ADINCAXFRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-299 4 Adin CA   145J TERRA NOVA TELECOM INC. 724   2025-05-15   
530-299 7 Adin CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2017-08-24   
530-299 8 Adin CA   145J TERRA NOVA TELECOM INC. 724   2026-01-04   
530-299 9 Adin CA ADINCAXFRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-300 A Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 0 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 1 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 2 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 3 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 4 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 5 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 6 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 7 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 8 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-300 9 Marysville CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2010-04-01   
530-301 A Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-301 0 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-301 1 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-301 2 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-301 3 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-301 4 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-301 5 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-301 6 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-301 7 Marysville CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2003-09-21   

<< 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 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.