Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-557 A Britton MI ADRNMIXGMMD  624H ONVOY SPECTRUM, LLC 340      
517-557 5 Britton MI ADRNMIXGMMD  624H ONVOY SPECTRUM, LLC 340      
517-557 7 Britton MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
517-557 9 Britton MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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