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: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-745 A Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 0 Hagerstown MD   9212 VERIZON MARYLAND, INC. 240      
301-745 1 Hagerstown MD   9212 VERIZON MARYLAND, INC. 240      
301-745 2 Hagerstown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-04-16   
301-745 3 Hagerstown MD   9212 VERIZON MARYLAND, INC. 240      
301-745 4 Hagerstown MD   9212 VERIZON MARYLAND, INC. 240      
301-745 5 Hagerstown MD   9212 VERIZON MARYLAND, INC. 240      
301-745 6 Hagerstown MD   9212 VERIZON MARYLAND, INC. 240      
301-745 7 Hagerstown MD   9212 VERIZON MARYLAND, INC. 240      
301-745 8 Hagerstown MD   9212 VERIZON MARYLAND, INC. 240      
301-745 9 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-05-03   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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