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: 398

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-398 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-398 0 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 1 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 2 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 3 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 4 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 5 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 6 Washington Zone 10 MD   9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 7 Washington Zone 10 MD   4773 XO MARYLAND, LLC 236   2003-11-09   
301-398 8 Washington Zone 10 MD   4773 XO MARYLAND, LLC 236   2003-11-09   
301-398 9 Washington Zone 10 MD   4773 XO MARYLAND, LLC 236   2003-11-09   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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