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: DVNPIAEAGMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-201 7 Mount Pleasant IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-08-03   
319-209 7 Burlington IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-04   
319-212 7 Columbus Junction IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
319-253 7 Hillsboro IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-254 7 Olds IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-257 5 Winfield IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
319-258 6 Salem IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-316 7 Fort Madison IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-367 6 New London IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-456 7 Richland IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-463 4 Montrose IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-469 5 Houghton IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-528 7 Denmark IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
319-614 7 Packwood IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-658 7 Crawfordsville IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
319-670 5 Keokuk IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-694 7 Brighton IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-04   
319-696 7 Lockridge IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-725 7 Conesville IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
319-726 6 Letts IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-729 7 Grandview IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-766 7 Oakville IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-835 7 Donnellson IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
319-836 7 Primrose IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-837 7 West Point IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
319-838 7 Argyle IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-13   
319-865 6 Mount Union IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-878 7 Farmington IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-881 7 Wapello IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
563-206 A Clinton IA 508J CENTURYLINK COMMUNICATIONS, LLC 634      
563-206 7 Clinton IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-207 5 Dubuque IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2017-03-18   
563-207 7 Dubuque IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2017-03-18   
563-214 A Davenport IA 508J CENTURYLINK COMMUNICATIONS, LLC 634      
563-214 7 Davenport IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-08-01   
563-220 7 Sabula IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
563-221 7 De Witt IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-228 7 Bellevue IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-13   
563-230 7 Dyersville IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-11   
563-235 8 Dubuque IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-346 5 Davenport IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2024-01-08   
563-521 A Maquoketa IA 508J CENTURYLINK COMMUNICATIONS, LLC 634      
563-521 7 Maquoketa IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-11-17   
563-522 7 Low Moor IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
563-657 6 Walcott IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
563-674 7 Delmar IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-677 7 Charlotte IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-04   
563-724 7 Moscow IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
563-744 7 Farley IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-770 7 Muscatine IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
563-785 7 Durant IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-853 7 Luxemburg IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
563-855 7 Worthington IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
563-856 7 Colesburg IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-870 7 Holy Cross IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
563-876 7 Epworth IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-893 7 Bennett IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-04   
563-921 7 New Vienna IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
563-923 8 Earlville IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-944 6 Lowden IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
563-945 7 Stanwood IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
563-946 7 Rochester IA 508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.