Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 886

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-886 A Washington Zone 13 MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-886 0 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-886 2 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-886 3 Washington Zone 13 MD CHCHMDBE1MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236      
301-886 4 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-886 6 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-886 7 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
301-886 8 Washington Zone 13 MD HRNDVACKAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 236      

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

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