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
301-329 A Ashton (Baltimore LATA) MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2011-11-17   
301-329 0 Ashton (Baltimore LATA) MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
301-329 1 Ashton (Baltimore LATA) MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
301-329 2 Ashton (Baltimore LATA) MD   876D ONVOY, LLC - MD 238   2012-10-07   
301-329 4 Ashton (Baltimore LATA) MD   876D ONVOY, LLC - MD 238   2014-09-05   
301-329 5 Ashton (Baltimore LATA) MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-24   
301-329 6 Ashton (Baltimore LATA) MD   876D ONVOY, LLC - MD 238   2015-10-04   
301-329 7 Ashton (Baltimore LATA) MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
301-329 8 Ashton (Baltimore LATA) MD   876D ONVOY, LLC - MD 238   2016-01-05   
301-329 9 Ashton (Baltimore LATA) MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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