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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-690 A Leonardtown MD LNTWMDAXPS0  228C IDT AMERICA CORP - MD 236   2007-07-14   
301-690 0 Leonardtown MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-02   
301-690 1 Leonardtown MD   082H LOCAL ACCESS LLC - MD 236   2015-03-21   
301-690 2 Leonardtown MD   228C IDT AMERICA CORP - MD 236   2007-07-14   
301-690 3 Leonardtown MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-06-20   
301-690 4 Leonardtown MD   082H LOCAL ACCESS LLC - MD 236   2016-05-31   
301-690 5 Leonardtown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-12-21   
301-690 6 Leonardtown MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
301-690 7 Leonardtown MD   7575 CENTURYLINK COMMUNICATIONS LLC 236   2014-06-12   
301-690 8 Leonardtown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-690 9 Leonardtown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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