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.

Switch: CDRRIADT1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-206 9 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-10-22   
319-207 A Morley IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-207 2 Morley IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-08-19   
319-216 A Martelle IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-216 2 Martelle IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-08-20   
319-218 A Olin IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-218 2 Olin IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-08-20   
319-222 4 Cedar Falls IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-02-22   
319-225 7 Amana IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2024-01-06   
319-238 6 Oelwein IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
319-244 7 Ely IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-05-30   
319-245 7 Grundy Center IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-06-10   
319-249 5 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-11-25   
319-249 6 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-06-29   
319-259 5 Iowa City IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-04-14   
319-281 5 Hudson IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-01-08   
319-299 7 Belle Plaine IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-06-09   
319-303 7 Denver IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-01-08   
319-305 7 Mount Vernon IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-01-08   
319-306 A Jesup IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-306 7 Jesup IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-12-27   
319-307 A Dunkerton IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-307 7 Dunkerton IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-03-30   
319-309 A Guernsey IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-309 7 Guernsey IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-03-30   
319-314 A Readlyn IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-314 7 Readlyn IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-03-30   
319-327 5 Independence IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
319-382 3 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2014-10-19   
319-403 8 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2024-05-01   
319-419 2 Waverly IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2020-05-30   
319-421 4 Shell Rock IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-11-10   
319-422 6 Parkersburg IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-01-08   
319-441 7 Center Point IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-01-08   
319-449 3 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2015-08-23   
319-449 6 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2016-04-09   
319-460 4 Washington IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-02-18   
319-500 2 Vinton IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-02-18   
319-502 A Waterloo IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2025-01-10   
319-502 5 Waterloo IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2025-01-10   
319-540 8 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
319-595 2 Waterloo IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-12-05   
319-645 4 Tiffin IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2019-08-01   
319-652 7 Traer IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-03-11   
319-660 7 Williamsburg IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-06-16   
319-727 4 Coggon IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2019-05-02   
319-774 A Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-774 1 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2013-12-09   
319-774 2 Cedar Rapids IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2013-01-11   
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   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.