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: 229

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-229 A Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2024-03-30   
227-229 0 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2024-03-30   
227-229 1 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2024-03-30   
227-229 2 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2024-03-30   
227-229 3 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2024-03-30   
227-229 4 Washington Zone 4 MD   490J DISH WIRELESS, LLC 236   2024-04-11   
227-229 5 Washington Zone 4 MD   490J DISH WIRELESS, LLC 236   2024-08-31   
227-229 8 Washington Zone 4 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2024-03-31   
227-229 9 Washington Zone 4 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2024-03-31   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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