Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-537 A Gravity IA GRVTIAXORS5  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-537 0 Gravity IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-537 1 Gravity IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-537 2 Gravity IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-537 3 Gravity IA   444G AUREON COMMUNICATIONS, LLC 644   2022-12-15   
712-537 7 Gravity IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2005-07-12   
712-537 8 Gravity IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-537 9 Gravity IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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