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
563-644 A Decorah IA IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635      
563-644 1 Decorah IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2024-11-12   
563-644 2 Decorah IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2024-12-20   
563-644 3 Decorah IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2024-10-07   
563-644 6 Decorah IA CDRRIADTHMD  624H ONVOY SPECTRUM, LLC 635   2021-08-03   
563-644 7 Decorah IA IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635   2021-08-02   
563-644 8 Decorah IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2022-12-07   
563-644 9 Decorah IA IWCYIA702MD  939H COMMIO, LLC 635   2022-09-05   
563-649 A Atalissa IA ATLSIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-649 0 Atalissa IA MNPLIAXCBMD  751F MCC TELEPHONY OF IOWA, LLC - IA 634   2010-04-15   
563-649 1 Atalissa IA ATLSIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-649 2 Atalissa IA ATLSIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-649 3 Atalissa IA ATLSIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-649 4 Atalissa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-06-27   
563-649 5 Atalissa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-05-10   
563-649 6 Atalissa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-10-06   
563-649 7 Atalissa IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2016-10-13   
563-649 8 Atalissa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-649 9 Atalissa IA MNPLIAXCGMD  624H ONVOY SPECTRUM, LLC 634   2024-12-19   
563-650 A Davenport IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634      
563-650 0 Davenport IA DVNPIA80XPX  5562 METROPCS, INC. 634      
563-650 1 Davenport IA DVNPIA80XPX  5562 METROPCS, INC. 634      
563-650 2 Davenport IA DVNPIA80XPX  5562 METROPCS, INC. 634      
563-650 3 Davenport IA DVNPIA80XPX  5562 METROPCS, INC. 634      
563-650 4 Davenport IA DVNPIA80XPX  5562 METROPCS, INC. 634      
563-650 5 Davenport IA DVNPIA80XPX  5562 METROPCS, INC. 634      
563-650 6 Davenport IA DVNPIA80XPX  5562 METROPCS, INC. 634      
563-650 7 Davenport IA DVNPIA80XPX  5562 METROPCS, INC. 634      
563-650 8 Davenport IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634      
563-650 9 Davenport IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634      
563-651 A Oxford Junction IA PSTNIAXO0MD  751F MCC TELEPHONY OF IOWA, LLC - IA 634      
563-652 A Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 0 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 1 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 2 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 3 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 4 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 5 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 6 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 7 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 8 Maquoketa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2016-04-15   
563-652 9 Maquoketa IA MQKTIACORS6  9631 QWEST CORPORATION 634      
563-655 A De Witt IA DWTTIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-655 0 De Witt IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2024-08-15   
563-655 1 De Witt IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-655 2 De Witt IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2020-09-30   
563-655 3 De Witt IA DVNPIAEADMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 634   2018-06-01   
563-655 4 De Witt IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-06-27   
563-655 5 De Witt IA DVNPIA80XPX  5562 METROPCS, INC. 634   2018-08-03   
563-655 6 De Witt IA   624H ONVOY SPECTRUM, LLC 634   2020-10-06   
563-655 7 De Witt IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-10-06   
563-655 8 De Witt IA DVNPIAEAEMD  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 634   2020-10-12   
563-655 9 De Witt IA DWTTIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634   2015-09-01   
563-657 A Walcott IA DVNPIAEAFMD  7421 AT&T - LOCAL 634      
563-657 1 Walcott IA ELRGIAXO1MD  204A CS TECHNOLOGIES, INC. - IA 634   2017-03-12   
563-657 2 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-657 3 Walcott IA DVNPIAEADMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 634   2015-03-16   
563-657 5 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-657 6 Walcott IA DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
563-657 7 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2013-12-09   
563-657 8 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2013-12-09   
563-657 9 Walcott IA DVNPIAEAFMD  7421 AT&T - LOCAL 634   2012-03-03   
563-659 A De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-659 0 De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-659 1 De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-659 2 De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-659 3 De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-659 4 De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-659 5 De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-659 6 De Witt IA GRMDIAXO1MD  198D GRAND MOUND COOPERATIVE TELEPHONE ASSOCIATION 634   2005-11-12   
563-659 7 De Witt IA DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2017-08-15   
563-659 8 De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-659 9 De Witt IA DWTTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-661 A Maquoketa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634      
563-661 0 Maquoketa IA DVNPIAVI0MD  939H COMMIO, LLC 634   2022-11-19   
563-661 2 Maquoketa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-661 3 Maquoketa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-661 4 Maquoketa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-661 5 Maquoketa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2019-09-19   
563-661 6 Maquoketa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2019-09-19   
563-661 8 Maquoketa IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2020-06-24   
563-661 9 Maquoketa IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2024-07-15   
563-663 A Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634      
563-663 0 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634      
563-663 1 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634      
563-663 2 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634      
563-663 3 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2006-02-23   
563-663 4 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2006-09-29   
563-663 5 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2006-10-13   
563-663 6 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2007-10-12   
563-663 7 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2008-03-07   
563-663 8 Dubuque IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2009-03-19   
563-663 9 Dubuque IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2010-06-05   
563-666 A Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634      
563-666 3 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-10-06   
563-666 4 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-666 5 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2019-09-20   
563-666 6 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2017-11-27   
563-666 7 Walcott IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2021-04-29   
563-666 8 Walcott IA DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-07-17   

<< 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: VoIP Much Phone Company

Like this site? We accept donations via PayPal.