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
319-865 2 Mount Union IA   4650 LOUISA COMMUNICATIONS, LC - IA 634   2018-02-22   
319-865 3 Mount Union IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-865 4 Mount Union IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-865 5 Mount Union IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-865 6 Mount Union IA   508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-865 7 Mount Union IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-865 8 Mount Union IA   4650 LOUISA COMMUNICATIONS, LC - IA 634   2018-02-22   
319-865 9 Mount Union IA   4650 LOUISA COMMUNICATIONS, LC - IA 634   2018-02-22   
319-866 A Cedar Rapids IA CDRRIADTDS0  9631 QWEST CORPORATION 635      
319-867 A Iowa City IA IWCYIA702MD  939H COMMIO, LLC 635      
319-867 0 Iowa City IA   6529 T-MOBILE USA, INC. 635   2022-10-14   
319-867 1 Iowa City IA   6529 T-MOBILE USA, INC. 635   2022-10-14   
319-867 2 Iowa City IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-10-28   
319-867 3 Iowa City IA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2020-05-26   
319-867 4 Iowa City IA   516J TON80 COMMUNICATIONS, LLC 635   2022-03-31   
319-867 5 Iowa City IA   939H COMMIO, LLC 635   2019-08-15   
319-867 6 Iowa City IA   624H ONVOY SPECTRUM, LLC 635   2021-10-29   
319-867 7 Iowa City IA   624H ONVOY SPECTRUM, LLC 635   2021-10-29   
319-867 8 Iowa City IA   624H ONVOY SPECTRUM, LLC 635   2021-10-29   
319-867 9 Iowa City IA   624H ONVOY SPECTRUM, LLC 635   2021-10-29   
319-868 A Morning Sun IA MRNSIAXORS0  1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 0 Morning Sun IA   1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 1 Morning Sun IA   1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 2 Morning Sun IA   1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 3 Morning Sun IA   1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 4 Morning Sun IA   1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 5 Morning Sun IA   1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 6 Morning Sun IA   1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 7 Morning Sun IA   1250 MUTUAL TEL. CO. OF MORNING SUN 634      
319-868 8 Morning Sun IA   751F MCC TELEPHONY OF IOWA, LLC - IA 634   2010-04-15   
319-874 A Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-877 A West Branch IA NLBTIAXO2MD  593K MCC TELEPHONY LLC 635      
319-877 7 West Branch IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2015-06-04   
319-877 8 West Branch IA   593K MCC TELEPHONY LLC 635   2010-05-06   
319-877 9 West Branch IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-03-10   
319-878 A Farmington IA FRTNIAXORS8  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-878 0 Farmington IA   221F ONVOY, LLC - IA 634   2021-03-14   
319-878 1 Farmington IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-878 2 Farmington IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2020-06-24   
319-878 3 Farmington IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-878 4 Farmington IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-878 5 Farmington IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-878 6 Farmington IA   221F ONVOY, LLC - IA 634   2020-06-27   
319-878 7 Farmington IA   508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-878 8 Farmington IA   5562 METROPCS, INC. 634   2018-08-11   
319-878 9 Farmington IA   221F ONVOY, LLC - IA 634   2020-11-28   
319-880 A Morning Sun IA DVNPIAEAWMD  179J EDGETEL, LLC 634      
319-880 0 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 1 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 2 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 3 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 4 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 5 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 6 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 7 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 8 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-880 9 Morning Sun IA   179J EDGETEL, LLC 634   2020-02-15   
319-881 A Wapello IA WPLLIAXOPS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-881 1 Wapello IA   221F ONVOY, LLC - IA 634   2021-06-11   
319-881 2 Wapello IA   221F ONVOY, LLC - IA 634   2021-03-14   
319-881 3 Wapello IA   624H ONVOY SPECTRUM, LLC 634   2024-12-19   
319-881 4 Wapello IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2022-02-18   
319-881 6 Wapello IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2020-09-30   
319-881 7 Wapello IA   508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
319-881 8 Wapello IA   221F ONVOY, LLC - IA 634   2020-06-27   
319-881 9 Wapello IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634   2015-09-01   
319-882 A Tripoli IA PLFDIAXODS1  1115 BUTLER-BREMER MUTUAL TEL. CO. 635      
319-883 A Waterloo IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-883 0 Waterloo IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2009-05-23   
319-883 1 Waterloo IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-07-10   
319-883 2 Waterloo IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2010-03-30   
319-883 3 Waterloo IA   593K MCC TELEPHONY LLC 635   2011-07-07   
319-883 4 Waterloo IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2010-10-08   
319-883 5 Waterloo IA   5562 METROPCS, INC. 635   2010-09-23   
319-883 6 Waterloo IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2011-06-12   
319-883 7 Waterloo IA   5562 METROPCS, INC. 635   2011-03-15   
319-883 8 Waterloo IA   593K MCC TELEPHONY LLC 635   2010-05-09   
319-883 9 Waterloo IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-03-07   
319-884 A Aplington IA APTNIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 635      
319-884 3 Aplington IA   221F ONVOY, LLC - IA 635   2021-05-07   
319-884 4 Aplington IA   221F ONVOY, LLC - IA 635   2021-12-23   
319-884 7 Aplington IA   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-11-03   
319-884 8 Aplington IA   145J TERRA NOVA TELECOM INC. 635   2025-06-06   
319-884 9 Aplington IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-11-30   
319-885 A Shell Rock IA PLFDIAXODS1  1115 BUTLER-BREMER MUTUAL TEL. CO. 635      
319-887 A Iowa City IA IWCYIATCDS0  9631 QWEST CORPORATION 635      
319-888 A Waterloo IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635      
319-888 0 Waterloo IA   5562 METROPCS, INC. 635   2018-06-29   
319-888 1 Waterloo IA   593K MCC TELEPHONY LLC 635   2017-12-31   
319-888 2 Waterloo IA   6529 T-MOBILE USA, INC. 635   2018-04-09   
319-888 3 Waterloo IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2018-01-12   
319-888 4 Waterloo IA   593K MCC TELEPHONY LLC 635   2017-06-28   
319-888 5 Waterloo IA   6529 T-MOBILE USA, INC. 635   2018-04-09   
319-888 6 Waterloo IA   221F ONVOY, LLC - IA 635   2021-03-14   
319-888 7 Waterloo IA   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-16   
319-888 8 Waterloo IA   221F ONVOY, LLC - IA 635   2017-10-08   
319-888 9 Waterloo IA   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635   2019-04-16   
319-892 A Cedar Rapids IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-893 A Cedar Rapids IA CDRRIADTXEX  506J TWILIO INTERNATIONAL, INC. 635      
319-893 0 Cedar Rapids IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2022-03-22   

<< 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: ISP Telecom

Like this site? We accept donations via PayPal.