Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: NIGRWIXA1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-771 A Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 0 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 1 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 2 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 3 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 4 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 5 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 6 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 7 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      
906-771 9 Iron Mountain MI 0030 BORDERLAND COMMUNICATIONS, LLC - MI 342      

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

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