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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-838 6 Argyle IA   221F ONVOY, LLC - IA 634   2021-03-14   
319-838 7 Argyle IA   508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-13   
319-838 8 Argyle IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-838 9 Argyle IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-839 A Marengo IA MRNGIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-839 0 Marengo IA   6529 T-MOBILE USA, INC. 635   2024-08-15   
319-839 1 Marengo IA   6529 T-MOBILE USA, INC. 635   2024-08-15   
319-839 3 Marengo IA   5562 METROPCS, INC. 635   2018-08-03   
319-839 5 Marengo IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-11   
319-839 6 Marengo IA   221F ONVOY, LLC - IA 635   2021-09-20   
319-839 7 Marengo IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-03-11   
319-839 8 Marengo IA   221F ONVOY, LLC - IA 635   2021-05-07   
319-839 9 Marengo IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635   2018-04-22   
319-841 A Ely IA NLBTIAXODS1  1298 SOUTH SLOPE COOP. TEL. CO., INC. 635      
319-842 A Alburnett IA SLBGIAXODS0  1173 FARMERS MUTUAL TEL. CO. 635      
319-844 A Monticello IA CDRRIAIC2MD  593K MCC TELEPHONY LLC 635      
319-844 0 Monticello IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-14   
319-844 1 Monticello IA   593K MCC TELEPHONY LLC 635   2010-05-15   
319-844 2 Monticello IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2019-07-22   
319-844 3 Monticello IA   5562 METROPCS, INC. 635   2018-08-03   
319-844 4 Monticello IA   221F ONVOY, LLC - IA 635   2013-01-23   
319-844 5 Monticello IA   221F ONVOY, LLC - IA 635   2013-01-23   
319-844 7 Monticello IA   221F ONVOY, LLC - IA 635   2016-04-11   
319-844 8 Monticello IA   221F ONVOY, LLC - IA 635   2016-04-11   
319-845 A Fairfax IA NLBTIAXODS1  1298 SOUTH SLOPE COOP. TEL. CO., INC. 635      
319-846 A Fairfax IA NLBTIAXODS1  1298 SOUTH SLOPE COOP. TEL. CO., INC. 635      
319-848 A Ely IA NLBTIAXODS1  1298 SOUTH SLOPE COOP. TEL. CO., INC. 635      
319-849 A Center Point IA CNPNIACORS8  9631 QWEST CORPORATION 635      
319-849 0 Center Point IA   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-09   
319-849 1 Center Point IA   9631 QWEST CORPORATION 635      
319-849 2 Center Point IA   9631 QWEST CORPORATION 635      
319-849 3 Center Point IA   9631 QWEST CORPORATION 635      
319-849 4 Center Point IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2010-03-12   
319-849 5 Center Point IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2011-07-25   
319-849 6 Center Point IA   221F ONVOY, LLC - IA 635   2016-04-05   
319-849 7 Center Point IA   221F ONVOY, LLC - IA 635   2008-09-04   
319-849 8 Center Point IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2008-11-29   
319-849 9 Center Point IA   9631 QWEST CORPORATION 635      
319-850 A Burlington IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-850 0 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-850 1 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-850 2 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-850 3 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-850 4 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2015-10-31   
319-850 5 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2013-02-17   
319-850 6 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-850 7 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-850 8 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-850 9 Burlington IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2014-03-24   
319-851 A Palo IA PALOIAXODS0  1269 PALO COOP. TEL. ASSN. 635      
319-853 A North Liberty IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-853 0 North Liberty IA   593K MCC TELEPHONY LLC 635      
319-853 1 North Liberty IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2014-07-28   
319-853 3 North Liberty IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-05-29   
319-853 4 North Liberty IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2021-10-08   
319-853 7 North Liberty IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2022-07-29   
319-853 8 North Liberty IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2008-11-29   
319-853 9 North Liberty IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2020-03-18   
319-854 A Springville IA SPVLIAXODS0  1302 SPRINGVILLE COOP. TEL. ASSN., INC. 635      
319-855 A Iowa City IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
319-855 0 Iowa City IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2008-10-30   
319-855 1 Iowa City IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2010-06-05   
319-855 2 Iowa City IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-12-11   
319-855 3 Iowa City IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2009-03-20   
319-855 4 Iowa City IA   221F ONVOY, LLC - IA 635   2009-03-13   
319-855 5 Iowa City IA   221F ONVOY, LLC - IA 635   2009-03-13   
319-855 6 Iowa City IA   938D WINDSTREAM IT-COMM, LLC - IA 635   2009-03-24   
319-855 7 Iowa City IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2010-07-28   
319-855 8 Iowa City IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2009-09-26   
319-855 9 Iowa City IA   6529 T-MOBILE USA, INC. 635   2008-12-26   
319-857 A Swisher IA NLBTIAXODS1  1298 SOUTH SLOPE COOP. TEL. CO., INC. 635   2025-02-02   
319-859 A Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-859 0 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-859 1 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-859 2 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-859 3 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-859 4 Cedar Falls IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-05-29   
319-859 5 Cedar Falls IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-12-07   
319-859 6 Cedar Falls IA   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635   2014-11-21   
319-859 7 Cedar Falls IA   221F ONVOY, LLC - IA 635   2016-04-06   
319-859 8 Cedar Falls IA   221F ONVOY, LLC - IA 635   2016-04-06   
319-859 9 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-861 A Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-862 A Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-863 A Washington IA WASHIAXOPS1  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-863 0 Washington IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-863 1 Washington IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-863 2 Washington IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-863 3 Washington IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-863 4 Washington IA   6529 T-MOBILE USA, INC. 635   2022-01-07   
319-863 5 Washington IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2024-08-17   
319-863 6 Washington IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-02-26   
319-863 7 Washington IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-863 8 Washington IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-863 9 Washington IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-864 A Washington IA WASHIA210MD  957H KALONA COOPERATIVE TELEPHONE COMPANY - IA 635      
319-864 1 Washington IA   957H KALONA COOPERATIVE TELEPHONE COMPANY - IA 635   2017-12-26   
319-865 A Mount Union IA MTUNIAXORS8  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-865 0 Mount Union IA   4650 LOUISA COMMUNICATIONS, LC - IA 634   2018-02-22   
319-865 1 Mount Union IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.