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: 417

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-417 A Fort Madison IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-417 0 Fort Madison IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2023-11-09   
319-417 1 Fort Madison IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2024-07-05   
319-417 4 Fort Madison IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2024-07-29   
319-417 6 Fort Madison IA   695G IMON COMMUNICATIONS, LLC - IA 634   2025-03-08   
319-417 7 Fort Madison IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2025-08-25   
319-417 8 Fort Madison IA   515J IP HORIZON LLC 634   2025-08-14   
319-417 9 Fort Madison IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2024-10-16   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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