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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-536 1 Cedar Rapids IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2012-08-12   
319-536 2 Cedar Rapids IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2016-07-27   
319-536 3 Cedar Rapids IA CDRRIADTDMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2014-04-11   
319-536 4 Cedar Rapids IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2016-07-27   
319-536 5 Cedar Rapids IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-06-11   
319-536 6 Cedar Rapids IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-06-11   
319-536 7 Cedar Rapids IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-09-15   
319-536 8 Cedar Rapids IA IWCYIA701MD  073H TELNYX LLC 635   2019-06-16   
319-536 9 Cedar Rapids IA IWCYIA70DS0  423H AIRUS, INC - IA 635   2019-11-09   
319-537 A Mount Pleasant IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634      
319-538 A Cedar Rapids IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-538 0 Cedar Rapids IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2008-02-15   
319-538 1 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-04-17   
319-538 2 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-06-30   
319-538 3 Cedar Rapids IA CDRRIAAX7MD  5562 METROPCS, INC. 635   2008-07-16   
319-538 4 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-08-14   
319-538 5 Cedar Rapids IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2008-08-21   
319-538 6 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-09-04   
319-538 7 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-09-04   
319-538 8 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2009-09-26   
319-538 9 Cedar Rapids IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2014-09-03   
319-539 A Riverside IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-539 3 Riverside IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2022-02-06   
319-540 A Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-540 0 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-540 1 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-540 2 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-540 3 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-540 4 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-540 5 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-540 6 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-540 7 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2011-09-22   
319-540 8 Cedar Rapids IA CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
319-540 9 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2010-05-14   
319-541 A Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 0 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 1 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 2 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 3 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 4 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 5 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 6 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 7 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 8 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2006-12-02   
319-541 9 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-543 A Solon IA SOLNIAXO2MD  593K MCC TELEPHONY LLC 635      
319-543 3 Solon IA IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635   2022-04-02   
319-543 4 Solon IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2021-05-07   
319-543 5 Solon IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-14   
319-543 7 Solon IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-15   
319-545 A Tiffin IA NLBTIAXODS1  562E SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA 635      
319-548 A Washington IA WUNNIA021MD  6529 T-MOBILE USA, INC. 635      
319-549 A Olds IA OLDSIA020MD  198H FARMERS AND MERCHANTS MUTUAL TELEPHONE CO - IA 634      
319-549 1 Olds IA OLDSIA020MD  198H FARMERS AND MERCHANTS MUTUAL TELEPHONE CO - IA 634   2015-01-09   
319-549 2 Olds IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-12-24   
319-549 8 Olds IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2021-12-01   
319-549 9 Olds IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-08-28   
319-550 A Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 0 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2013-07-26   
319-550 1 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 2 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 3 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 4 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 5 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 6 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 7 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 8 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-550 9 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2017-08-26   
319-551 A Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-552 A Mount Pleasant IA MNPLIAXCPS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-552 0 Mount Pleasant IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2022-05-23   
319-552 1 Mount Pleasant IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2022-05-23   
319-552 3 Mount Pleasant IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2018-11-16   
319-552 4 Mount Pleasant IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-02-14   
319-552 5 Mount Pleasant IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-02-14   
319-552 6 Mount Pleasant IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-02-14   
319-552 7 Mount Pleasant IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-02-14   
319-552 8 Mount Pleasant IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-02-14   
319-552 9 Mount Pleasant IA MNPLIAXCPS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634   2015-09-07   
319-553 A Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-553 0 Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-553 1 Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-553 2 Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-553 3 Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-553 4 Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-553 5 Cedar Falls IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2012-12-13   
319-553 6 Cedar Falls IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2014-11-30   
319-553 7 Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-553 8 Cedar Falls IA CDRRIAAXQMD  444G AUREON COMMUNICATIONS, LLC 635   2014-12-26   
319-553 9 Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-558 A Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-558 0 Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-558 1 Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-558 2 Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-558 3 Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-558 4 Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-558 5 Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-558 6 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2004-07-25   
319-558 7 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2004-07-25   
319-558 8 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2004-07-25   

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

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.