Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 922

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-922 A Elkton SD CLLKSDXA0MD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-922 1 Elkton SD CLLKSDXA0MD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640   2010-09-26   
605-922 2 Elkton SD SXFLSDPS5MD  145J TERRA NOVA TELECOM INC. 640   2026-04-30   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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