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.

Region: IA

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-418 9 Corning IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2005-05-10   
641-420 A Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-421 A Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632      
641-422 A Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632      
641-423 A Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632      
641-424 A Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632      
641-425 A Mason City IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-426 A Charles City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-426 0 Charles City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-426 1 Charles City IA MSCYIATCX0X  3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2017-04-13   
641-426 2 Charles City IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2010-10-08   
641-426 3 Charles City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2012-12-14   
641-426 4 Charles City IA DESMIADTTMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 632   2017-08-15   
641-426 5 Charles City IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2005-03-14   
641-426 6 Charles City IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2005-03-14   
641-426 7 Charles City IA DESMIAITX6X  5562 METROPCS, INC. 632   2018-07-02   
641-426 8 Charles City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2005-03-10   
641-426 9 Charles City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2005-03-10   
641-427 A Bagley IA BGLYIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-427 0 Bagley IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-427 1 Bagley IA BGLYIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-427 2 Bagley IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   
641-427 3 Bagley IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-427 4 Bagley IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-427 5 Bagley IA BGLYIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-427 6 Bagley IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-19   
641-427 7 Bagley IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-07-01   
641-427 8 Bagley IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-427 9 Bagley IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2020-09-28   
641-428 A Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632      
641-428 0 Mason City IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2017-08-06   
641-428 1 Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632   2010-10-01   
641-428 2 Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632   2010-10-01   
641-428 3 Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632   2010-10-01   
641-428 4 Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632   2010-10-01   
641-428 5 Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632   2010-10-01   
641-428 6 Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632   2010-10-01   
641-428 7 Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632   2010-10-01   
641-428 8 Mason City IA MSCYIATCDS0  9631 QWEST CORPORATION 632   2010-10-01   
641-428 9 Mason City IA MSCYIA75HMD  444G AUREON COMMUNICATIONS, LLC 632   2013-07-16   
641-429 A Jamaica IA JAMCIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-429 0 Jamaica IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-429 1 Jamaica IA JAMCIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-429 2 Jamaica IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-429 3 Jamaica IA JAMCIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-429 4 Jamaica IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-429 5 Jamaica IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-429 6 Jamaica IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-19   
641-429 7 Jamaica IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-22   
641-429 8 Jamaica IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-429 9 Jamaica IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2021-05-19   
641-430 A Mason City IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-431 A Yale IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-431 0 Yale IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-431 1 Yale IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-431 6 Yale IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-16   
641-431 8 Yale IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-09-13   
641-432 A Forest City IA FRCYIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-432 1 Forest City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2018-04-02   
641-432 2 Forest City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2018-04-02   
641-432 3 Forest City IA DESMIAITX6X  5562 METROPCS, INC. 632   2018-07-09   
641-432 4 Forest City IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2021-06-11   
641-432 6 Forest City IA GRNLIAXCQMD  221F ONVOY, LLC - IA 632   2023-10-15   
641-432 7 Forest City IA GRNLIAXCQMD  221F ONVOY, LLC - IA 632   2023-10-15   
641-432 8 Forest City IA DESMIADTXUX  965H FRACTEL, LLC 632   2020-03-09   
641-432 9 Forest City IA FRCYIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632   2016-09-25   
641-433 A What Cheer IA WHCHIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-433 2 What Cheer IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-433 3 What Cheer IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-16   
641-433 4 What Cheer IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-433 5 What Cheer IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-433 6 What Cheer IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-20   
641-433 7 What Cheer IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-31   
641-433 8 What Cheer IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-435 A Nashua IA NASHIACORS4  9631 QWEST CORPORATION 632      
641-435 0 Nashua IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-25   
641-435 1 Nashua IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2011-10-01   
641-435 2 Nashua IA NASHIACORS4  9631 QWEST CORPORATION 632      
641-435 3 Nashua IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-11   
641-435 4 Nashua IA NASHIACORS4  9631 QWEST CORPORATION 632      
641-435 5 Nashua IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2013-04-04   
641-435 6 Nashua IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-11   
641-435 7 Nashua IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2008-08-29   
641-435 8 Nashua IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2016-07-15   
641-435 9 Nashua IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2017-09-21   
641-436 A Centerville IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-436 0 Centerville IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-436 1 Centerville IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-436 2 Centerville IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-19   
641-436 3 Centerville IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-19   
641-436 4 Centerville IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-16   
641-436 5 Centerville IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-16   
641-436 6 Centerville IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-436 7 Centerville IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-436 8 Centerville IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-08-10   
641-436 9 Centerville IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2023-03-03   
641-437 A Centerville IA CNVLIAXORS4  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-437 0 Centerville IA CNVLIAXORS4  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-437 1 Centerville IA CNVLIAXORS4  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-437 2 Centerville IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2022-09-07   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.