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
319-946 5 Mount Union IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
319-946 6 Mount Union IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634   2022-04-21   
319-961 A Waterloo IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
319-966 A Grandview IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634      
319-966 1 Grandview IA MNPLIAXCGMD  624H ONVOY SPECTRUM, LLC 634   2024-12-19   
319-966 6 Grandview IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634   2022-04-29   
319-975 A Anamosa IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-975 0 Anamosa IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2015-02-27   
319-975 1 Anamosa IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2015-04-05   
319-975 2 Anamosa IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2016-04-03   
319-975 3 Anamosa IA CDRRIADTDMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2016-05-06   
319-975 4 Anamosa IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2016-04-03   
319-975 5 Anamosa IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2017-01-05   
319-975 6 Anamosa IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2017-01-05   
319-975 7 Anamosa IA CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-03-19   
319-975 8 Anamosa IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2016-04-09   
319-975 9 Anamosa IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2015-06-04   
319-981 A Cedar Rapids IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
319-983 A Parkersburg IA NHFRIACORS1  9631 QWEST CORPORATION 635      
319-983 0 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2017-05-19   
319-983 1 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2017-05-19   
319-983 2 Parkersburg IA NHFRIACORS1  9631 QWEST CORPORATION 635      
319-983 3 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2013-01-23   
319-983 4 Parkersburg IA   145J TERRA NOVA TELECOM INC. 635   2020-11-16   
319-983 5 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2013-01-23   
319-983 6 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2021-02-26   
319-983 7 Parkersburg IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-13   
319-983 8 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2021-02-26   
319-983 9 Parkersburg IA NHFRIACORS1  9631 QWEST CORPORATION 635      
319-984 A Denver IA DNVRIACORS1  9631 QWEST CORPORATION 635      
319-984 0 Denver IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2016-04-11   
319-984 1 Denver IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2016-04-11   
319-984 2 Denver IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2021-03-14   
319-984 3 Denver IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-09   
319-984 4 Denver IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2013-04-04   
319-984 5 Denver IA DNVRIACORS1  9631 QWEST CORPORATION 635      
319-984 6 Denver IA DNVRIACORS1  9631 QWEST CORPORATION 635      
319-984 7 Denver IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2010-12-01   
319-984 8 Denver IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2011-12-10   
319-984 9 Denver IA DNVRIACORS1  9631 QWEST CORPORATION 635      
319-985 A Dodgeville IA MDPLIAXODS1  1251 MEDIAPOLIS TEL. CO. 634      
319-986 A Mount Pleasant IA MNPLIAXCDS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-987 A Janesville IA JNVLIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 635      
319-987 0 Janesville IA JNVLIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 635      
319-987 1 Janesville IA JNVLIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 635      
319-987 2 Janesville IA JNVLIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 635      
319-987 3 Janesville IA JNVLIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 635      
319-987 4 Janesville IA   593K MCC TELEPHONY LLC 635   2010-05-06   
319-987 5 Janesville IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-11   
319-987 6 Janesville IA CDRRIADTX3X  073H TELNYX LLC 635   2020-05-28   
319-987 7 Janesville IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-10   
319-987 8 Janesville IA DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 635   2020-11-27   
319-987 9 Janesville IA JNVLIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 635      
319-988 A Hudson IA HDSNIACORS1  9631 QWEST CORPORATION 635      
319-988 0 Hudson IA   593K MCC TELEPHONY LLC 635   2010-05-09   
319-988 1 Hudson IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2011-10-21   
319-988 2 Hudson IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2013-12-09   
319-988 3 Hudson IA HDSNIACORS1  9631 QWEST CORPORATION 635      
319-988 4 Hudson IA HDSNIACORS1  9631 QWEST CORPORATION 635      
319-988 5 Hudson IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2012-12-13   
319-988 6 Hudson IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2012-12-13   
319-988 7 Hudson IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2008-09-04   
319-988 8 Hudson IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2013-12-09   
319-988 9 Hudson IA HDSNIACORS1  9631 QWEST CORPORATION 635      
319-989 A Parkersburg IA DIKEIACORS1  9631 QWEST CORPORATION 635      
319-989 0 Parkersburg IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-14   
319-989 1 Parkersburg IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2020-08-05   
319-989 2 Parkersburg IA DIKEIACORS1  9631 QWEST CORPORATION 635      
319-989 3 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2019-09-19   
319-989 4 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2021-02-26   
319-989 5 Parkersburg IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2019-02-21   
319-989 6 Parkersburg IA IWCYIA701MD  073H TELNYX LLC 635   2018-06-27   
319-989 7 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2016-04-11   
319-989 8 Parkersburg IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2016-04-11   
319-989 9 Parkersburg IA DIKEIACORS1  9631 QWEST CORPORATION 635      
319-992 A Tiffin IA IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635      
319-992 0 Tiffin IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-10-15   
319-992 1 Tiffin IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-10-15   
319-992 2 Tiffin IA IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635   2022-05-26   
319-995 A Winfield IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634      
319-995 1 Winfield IA MNPLIAXCGMD  624H ONVOY SPECTRUM, LLC 634   2024-12-19   
319-995 5 Winfield IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634   2022-05-16   
319-995 7 Winfield IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2023-03-05   
319-995 8 Winfield IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2022-11-25   
319-996 A Houghton IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634      
319-996 1 Houghton IA ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 634   2024-12-19   
319-996 6 Houghton IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634   2022-05-04   
319-997 A New London IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634      
319-997 1 New London IA ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 634   2024-12-19   
319-997 7 New London IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634   2022-05-10   
319-999 A Cedar Rapids IA CDRRIAAX0MD  624E ATKINS TELEPHONE COMPANY, INC. - IA 635      
515-200 A Algona IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
515-200 0 Algona IA DESMIADTX7X  751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
515-200 1 Algona IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2010-04-01   
515-200 2 Algona IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2012-04-06   
515-200 3 Algona IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2015-04-05   
515-200 4 Algona IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2017-08-24   
515-200 5 Algona IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2015-10-24   
515-200 6 Algona IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2011-05-19   
515-200 7 Algona IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2008-02-25   

<< 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: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.