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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-900 A Holstein IA SXCYIADT9MD  221F ONVOY, LLC - IA 630      
712-900 0 Holstein IA SXCYIADT9MD  221F ONVOY, LLC - IA 630   2019-08-29   
712-900 1 Holstein IA SXCYIADT9MD  221F ONVOY, LLC - IA 630   2019-08-29   
712-900 2 Holstein IA SXCYIADT9MD  221F ONVOY, LLC - IA 630   2021-03-08   
712-900 3 Holstein IA SXCYIADT9MD  221F ONVOY, LLC - IA 630   2021-03-08   
712-900 8 Holstein IA SXCYIA78X7X  444G AUREON COMMUNICATIONS, LLC 630   2022-11-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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