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: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-888 A Washington Zone 15 (Baltimore LATA) MD BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238      
227-888 0 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-13   
227-888 1 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-07-12   
227-888 2 Washington Zone 15 (Baltimore LATA) MD   145J TERRA NOVA TELECOM INC. 238   2023-11-21   
227-888 3 Washington Zone 15 (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2024-11-20   
227-888 4 Washington Zone 15 (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2024-01-14   
227-888 5 Washington Zone 15 (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2024-01-14   
227-888 6 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-11-04   
227-888 7 Washington Zone 15 (Baltimore LATA) MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2023-11-20   
227-888 8 Washington Zone 15 (Baltimore LATA) MD BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238   2023-11-20   
227-888 9 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-10-04   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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