Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-551 A Lanark IL DIXNILXA4MD  224C ONVOY, LLC 364      
815-551 0 Lanark IL DIXNILXA4MD  224C ONVOY, LLC 364      
815-551 1 Lanark IL DIXNILXA4MD  224C ONVOY, LLC 364      
815-551 2 Lanark IL DIXNILXA4MD  224C ONVOY, LLC 364      
815-551 5 Lanark IL DIXNILXA4MD  224C ONVOY, LLC 364      
815-551 6 Lanark IL DKLBILXAPMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 364      

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

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