Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-376 A Fort Madison IA FTMDIATCRS3  9631 QWEST CORPORATION 634      
319-376 0 Fort Madison IA   9631 QWEST CORPORATION 634      
319-376 1 Fort Madison IA   9631 QWEST CORPORATION 634      
319-376 2 Fort Madison IA   9631 QWEST CORPORATION 634      
319-376 3 Fort Madison IA   9631 QWEST CORPORATION 634      
319-376 4 Fort Madison IA   9631 QWEST CORPORATION 634      
319-376 5 Fort Madison IA   9631 QWEST CORPORATION 634      
319-376 6 Fort Madison IA   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 634   2012-06-08   
319-376 7 Fort Madison IA   829J PAETEC ITEL, LLC 634   2013-03-02   
319-376 8 Fort Madison IA   6529 T-MOBILE USA, INC. 634   2011-04-01   
319-376 9 Fort Madison IA   9631 QWEST CORPORATION 634      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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