Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 227 [Rate centres in NPA 227] [Dial plan for NPA 227]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-231 A Washington Zone 6 MD   876D ONVOY, LLC - MD 236   2024-03-30   
227-231 0 Washington Zone 6 MD   876D ONVOY, LLC - MD 236      
227-231 1 Washington Zone 6 MD   876D ONVOY, LLC - MD 236      
227-231 2 Washington Zone 6 MD   876D ONVOY, LLC - MD 236      
227-231 3 Washington Zone 6 MD   876D ONVOY, LLC - MD 236      
227-231 4 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-231 5 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-231 6 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-231 7 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-231 8 Washington Zone 6 MD   490J DISH WIRELESS, LLC 236      
227-231 9 Washington Zone 6 MD   490J DISH WIRELESS, LLC 236      

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

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