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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-525 A Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-525 0 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-525 2 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2018-03-03   
641-525 5 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2020-05-15   
641-526 A Kellogg IA GLMNIAXODS1  1187 PARTNER COMMUNICATIONS COOPERATIVE 632      
641-527 A Lynnville IA SRBOIAXODS1  1232 LYNNVILLE TELEPHONE COMPANY 632      
641-528 A Malcom IA MLCMIAXORS3  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-528 0 Malcom IA DESMIA72GMD  5562 METROPCS, INC. 632   2018-08-11   
641-528 1 Malcom IA MLCMIAXORS3  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-528 2 Malcom IA MLCMIAXORS3  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-528 3 Malcom IA MLCMIAXORS3  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-528 4 Malcom IA MLCMIAXORS3  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-528 5 Malcom IA MLCMIAXORS3  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-528 6 Malcom IA DESMIADTTMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 632   2017-06-19   
641-528 7 Malcom IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2017-03-23   
641-528 8 Malcom IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-528 9 Malcom IA MLCMIAXORS3  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-529 A Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-529 0 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-529 1 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-529 2 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-529 3 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-529 6 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-529 7 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-529 8 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2022-08-05   
641-529 9 Clear Lake IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2019-09-06   
641-530 A Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 0 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 1 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 2 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 3 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 4 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2012-10-20   
641-530 5 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 6 Mason City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2017-09-14   
641-530 7 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2014-05-18   
641-530 8 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2013-09-01   
641-530 9 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2015-01-29   
641-531 A Iowa Falls IA DESMIADTX5X  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 632      
641-531 0 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-531 1 Iowa Falls IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-531 2 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-09-20   
641-531 3 Iowa Falls IA DESMIADTTMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 632   2017-10-02   
641-531 4 Iowa Falls IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2018-04-02   
641-531 5 Iowa Falls IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2018-04-02   
641-531 6 Iowa Falls IA DESMIADTX5X  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 632   2017-06-16   
641-531 7 Iowa Falls IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2018-06-15   
641-531 8 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-09-20   
641-531 9 Iowa Falls IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2018-01-16   
641-533 A Derby IA LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-534 A Lacona IA LACNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 0 Lacona IA LACNIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 1 Lacona IA LACNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 2 Lacona IA KNVLIAXCTMD  221F ONVOY, LLC - IA 632   2021-04-02   
641-534 3 Lacona IA LACNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 4 Lacona IA LACNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 5 Lacona IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-534 6 Lacona IA KNVLIAXCTMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-534 7 Lacona IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-22   
641-534 8 Lacona IA KNVLIAXCTMD  221F ONVOY, LLC - IA 632   2021-04-02   
641-534 9 Lacona IA LACNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-535 A Russell IA RSSLIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-535 0 Russell IA KNVLIAXCTMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-535 1 Russell IA RSSLIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-535 2 Russell IA RSSLIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-535 3 Russell IA KNVLIAXCTMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-535 4 Russell IA RSSLIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-535 5 Russell IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-16   
641-535 6 Russell IA RSSLIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-535 7 Russell IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-29   
641-535 8 Russell IA KNVLIAXCTMD  221F ONVOY, LLC - IA 632   2020-11-20   
641-535 9 Russell IA RSSLIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-536 A Lenox IA LENXIAAF1MD  168F LENOX MUNICIPAL COMMUNICATIONS UTILITY - IA 632      
641-541 A Sigourney IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-541 0 Sigourney IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-541 1 Sigourney IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2018-04-02   
641-541 3 Sigourney IA DESMIADTTMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 632   2017-06-26   
641-541 4 Sigourney IA KNVLIAXCTMD  221F ONVOY, LLC - IA 632   2021-09-04   
641-541 5 Sigourney IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-16   
641-541 6 Sigourney IA KNVLIAXCTMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-541 7 Sigourney IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2017-03-29   
641-541 8 Sigourney IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-541 9 Sigourney IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2025-06-12   
641-543 A Alta Vista IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632      
641-543 3 Alta Vista IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632   2022-04-29   
641-543 4 Alta Vista IA GRNLIAXCMMD  624H ONVOY SPECTRUM, LLC 632   2024-03-07   
641-548 A Mason City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-548 0 Mason City IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-07-06   
641-548 2 Mason City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-04-16   
641-548 3 Mason City IA DESMIADTXMX  073H TELNYX LLC 632   2020-05-29   
641-548 4 Mason City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-09-20   
641-548 5 Mason City IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2019-10-27   
641-548 6 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2018-08-26   
641-548 7 Mason City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-10-02   
641-548 8 Mason City IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2018-07-06   
641-548 9 Mason City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2018-07-05   
641-551 A New Haven IA RUDDIA01DS2  1177 FARMERS TEL. CO. 632      
641-552 A Charles City IA MSCYIATCX0X  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-552 0 Charles City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-08   
641-552 1 Charles City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-08   
641-552 2 Charles City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2013-01-24   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.