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
712-248 5 Carter Lake IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2018-04-07   
712-248 6 Carter Lake IA OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2015-02-15   
712-248 7 Carter Lake IA OMAKNEYWDMD  829J PAETEC ITEL, LLC 644      
712-248 8 Carter Lake IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2008-09-04   
712-248 9 Carter Lake IA OMAKNEYWDMD  829J PAETEC ITEL, LLC 644      
712-249 A Atlantic IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-250 A Atlantic IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-250 0 Atlantic IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-250 1 Atlantic IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2014-06-11   
712-250 2 Atlantic IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2013-04-04   
712-250 3 Atlantic IA OMAHNENWXTX  985E BANDWIDTH.COM CLEC, LLC - IA 644   2012-02-03   
712-250 4 Atlantic IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-250 5 Atlantic IA OMAHNENWXTX  985E BANDWIDTH.COM CLEC, LLC - IA 644   2014-11-03   
712-250 6 Atlantic IA OMAHNENWXTX  985E BANDWIDTH.COM CLEC, LLC - IA 644   2015-02-27   
712-250 7 Atlantic IA OMAHNENWXMX  6529 T-MOBILE USA, INC. 644   2010-06-18   
712-250 8 Atlantic IA OMAHNENWXXX  593K MCC TELEPHONY LLC 644   2015-07-12   
712-250 9 Atlantic IA IWCYIA70DS0  423H AIRUS, INC - IA 644   2021-02-22   
712-251 A Sioux City IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-252 A Sioux City IA SXCYIADTDS1  9631 QWEST CORPORATION 630      
712-253 A Sioux City IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-254 A Atlantic IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-254 0 Atlantic IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-254 1 Atlantic IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-254 2 Atlantic IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-254 3 Atlantic IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2008-10-11   
712-254 4 Atlantic IA OMAHNENWYMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 644   2016-11-10   
712-254 5 Atlantic IA OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2015-01-22   
712-254 6 Atlantic IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2010-09-23   
712-254 7 Atlantic IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2011-12-10   
712-254 8 Atlantic IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2008-03-01   
712-254 9 Atlantic IA OMAHNENWXXX  593K MCC TELEPHONY LLC 644   2010-04-16   
712-255 A Sioux City IA SXCYIADTDS1  9631 QWEST CORPORATION 630      
712-256 A Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-256 0 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-256 1 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-256 2 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-256 3 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-256 4 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-256 5 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-256 6 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-256 7 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2003-04-14   
712-256 8 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2004-07-22   
712-256 9 Council Bluffs IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2005-08-23   
712-257 A Sergeant Bluff IA SRBLIAXODS0  1260 NORTHWEST IOWA TELEPHONE, LLC 630      
712-258 A Sioux City IA SXCYIADTDS1  9631 QWEST CORPORATION 630      
712-259 A Sioux City IA SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630      
712-260 A Spencer IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-261 A Cherokee IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-261 0 Cherokee IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-261 1 Cherokee IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-261 2 Cherokee IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-261 3 Cherokee IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-261 4 Cherokee IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-261 5 Cherokee IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630      
712-261 6 Cherokee IA SXCYIADT9MD  221F ONVOY, LLC - IA 630   2018-10-19   
712-261 7 Cherokee IA SXCYIADTQMD  508J CENTURYLINK COMMUNICATIONS, LLC 630   2016-12-23   
712-261 8 Cherokee IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2018-04-05   
712-261 9 Cherokee IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2018-04-05   
712-262 A Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-263 A Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-264 A Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 0 Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 1 Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 2 Spencer IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2015-07-17   
712-264 3 Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 4 Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 5 Spencer IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2009-11-19   
712-264 6 Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 7 Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 8 Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-264 9 Spencer IA SPNCIATCDS0  9631 QWEST CORPORATION 630      
712-265 A Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 0 Denison IA OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644      
712-265 1 Denison IA OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644      
712-265 2 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 3 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 4 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 5 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 6 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 7 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 8 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 9 Denison IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644   2021-06-24   
712-266 A Sioux City IA SXCYIAMSDS0  9631 QWEST CORPORATION 630      
712-266 0 Sioux City IA SXCYIAMSDS0  9631 QWEST CORPORATION 630      
712-266 1 Sioux City IA SXCYIAMSDS0  9631 QWEST CORPORATION 630      
712-266 2 Sioux City IA SXCYIAMSDS0  9631 QWEST CORPORATION 630      
712-266 3 Sioux City IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2008-04-03   
712-266 4 Sioux City IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2007-01-11   
712-266 5 Sioux City IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2007-03-29   
712-266 6 Sioux City IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2007-03-29   
712-266 7 Sioux City IA SXCYIADTDS1  9631 QWEST CORPORATION 630      
712-266 8 Sioux City IA SXCYIAMSDS0  9631 QWEST CORPORATION 630      
712-266 9 Sioux City IA SXCYIAMSDS0  9631 QWEST CORPORATION 630      
712-267 A Denison IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-267 0 Denison IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-267 1 Denison IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2011-05-05   
712-267 2 Denison IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-267 3 Denison IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-267 4 Denison IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2010-08-01   
712-267 5 Denison IA BLLVNEBL5MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 644   2022-03-29   

<< 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: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.