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: 260

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-260 A Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      
301-260 0 Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      
301-260 1 Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      
301-260 2 Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      
301-260 3 Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      
301-260 4 Ashton MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2006-05-28   
301-260 5 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-02-06   
301-260 6 Ashton MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-260 7 Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      
301-260 8 Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      
301-260 9 Ashton MD OLNYMDOKRP0  9212 VERIZON MARYLAND, INC. 236      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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