Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-774 3 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2013-05-30   
319-774 4 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2013-07-13   
319-774 5 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2011-09-02   
319-774 6 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2011-01-15   
319-774 7 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2014-06-08   
319-774 8 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2014-07-25   
319-790 3 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-790 4 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-800 6 Iowa City IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2015-04-23   
319-820 A Monticello IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-820 0 Monticello IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-05-02   
319-839 7 Marengo IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-03-11   
319-844 2 Monticello IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2019-07-22   
319-853 4 North Liberty IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2021-10-08   
319-867 2 Iowa City IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-10-28   
319-893 5 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-12-07   
319-975 7 Anamosa IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-03-19   
507-561 7 North Chester MN 5256 LEVEL 3 COMMUNICATIONS, LLC - MN 635   2023-02-25   
563-217 A Waukon IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
563-217 4 Waukon IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2009-12-24   
563-270 A Center Junction IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
563-270 2 Center Junction IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-08-19   
563-273 A Onslow IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
563-273 2 Onslow IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-08-19   
563-277 6 Decorah IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2016-06-04   
563-298 7 Guttenberg IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-11-27   
563-313 5 Cresco IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-02-18   
563-329 7 McGregor IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-11-27   
563-330 7 Monona IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-02-17   
563-356 4 Chester IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-01-08   
563-363 2 Manchester IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-05-30   
563-387 9 Decorah IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
563-425 7 Fayette IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-12-03   
563-454 2 Wyoming IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-07-31   
563-482 7 Lawler IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-06-10   
563-518 5 West Union IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
563-538 0 Lansing IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
563-562 0 Calmar IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
563-605 5 Postville IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-01-08   
563-922 4 Delhi IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-05-30   
563-925 3 Greeley IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-05-30   
563-926 3 Hopkinton IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-05-30   
563-932 3 Ryan IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-05-30   

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

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