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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-290 A Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-290 0 Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-290 1 Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-290 2 Mechanicsville MD   829J PAETEC ITEL, LLC 236   2011-01-28   
301-290 3 Mechanicsville MD   829J PAETEC ITEL, LLC 236   2004-03-27   
301-290 4 Mechanicsville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-290 5 Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-290 6 Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-290 7 Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-290 8 Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-290 9 Mechanicsville MD MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      

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

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