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: CDRRIADTUMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-251 A Anamosa IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-251 6 Anamosa IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-284 7 Oelwein IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-317 5 Cedar Rapids IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-332 6 Independence IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-391 6 Cedar Rapids IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-401 A Tripoli IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-401 6 Tripoli IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-423 A Cedar Rapids IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-423 6 Cedar Rapids IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-458 6 Washington IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-499 6 Iowa City IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-505 6 Waterloo IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-559 6 Waverly IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-636 8 Hazleton IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-645 6 Tiffin IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-661 6 Williamsburg IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-662 3 Conroy IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-775 6 Cedar Rapids IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-859 6 Cedar Falls IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-888 9 Waterloo IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-893 7 Cedar Rapids IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
563-334 6 Decorah IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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