Local Calling Guide

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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 970

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-970 A Washington Zone 14 (Baltimore LATA) MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
301-970 0 Washington Zone 14 (Baltimore LATA) MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-24   
301-970 1 Washington Zone 14 (Baltimore LATA) MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-24   
301-970 2 Washington Zone 14 (Baltimore LATA) MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
301-970 3 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-02-19   
301-970 4 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-02-19   
301-970 5 Washington Zone 14 (Baltimore LATA) MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
301-970 6 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-08   
301-970 8 Washington Zone 14 (Baltimore LATA) MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-24   
301-970 9 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-11-13   

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

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