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: 786

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-786 A McCoole MD CSTWMDCRDS0  9212 VERIZON MARYLAND, INC. 240      
301-786 0 McCoole MD   073H TELNYX LLC 240   2017-08-08   
301-786 1 McCoole MD   228C IDT AMERICA, CORP. - MD 240   2006-03-10   
301-786 2 McCoole MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2013-05-23   
301-786 3 McCoole MD   876D ONVOY, LLC - MD 240   2016-09-12   
301-786 4 McCoole MD   9212 VERIZON MARYLAND, INC. 240      
301-786 5 McCoole MD   876D ONVOY, LLC - MD 240   2016-09-12   
301-786 6 McCoole MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-11-12   
301-786 7 McCoole MD   9212 VERIZON MARYLAND, INC. 240      
301-786 8 McCoole MD   318J COMCAST IP PHONE, LLC 240   2014-03-24   
301-786 9 McCoole MD   9212 VERIZON MARYLAND, INC. 240      

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

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