Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 568G PEERLESS NETWORK OF MARYLAND, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-973 3 Washington Zone 14 (Baltimore LATA) MD   238   2018-11-20   
301-973 6 Washington Zone 14 (Baltimore LATA) MD   238   2020-04-19   
301-994 7 Lexington Park-Great Mills MD   236   2013-05-03   
410-210 4 Glen Burnie MD   238   2020-02-26   
410-216 1 Annapolis MD   238   2015-06-06   
410-220 0 Elkridge MD   238   2013-05-04   
410-220 4 Elkridge MD   238   2013-05-04   
410-231 7 Solomons MD   238   2013-05-04   
410-264 1 Waterloo (Washington DC LATA) MD   236   2019-03-06   
410-401 0 Brooklyn Park-Linthicum MD   238   2012-10-11   
410-401 1 Brooklyn Park-Linthicum MD   238   2012-10-11   
410-401 4 Brooklyn Park-Linthicum MD   238   2012-10-11   
410-431 1 Severna Park MD   238   2015-12-06   
410-449 1 Solomons MD   238   2013-05-04   
410-457 9 Darlington MD   238   2013-05-04   
410-505 0 Ellicott City MD   238   2015-10-15   
410-505 7 Ellicott City MD   238   2020-02-26   
410-604 4 Stevensville MD   242   2018-03-07   
410-618 9 Perryville MD   238   2016-02-22   
410-724 1 Waterloo (Washington DC LATA) MD   236   2020-10-26   
410-807 8 Catonsville MD   238   2013-03-25   
410-807 9 Catonsville MD   238   2013-03-25   
410-834 2 Waterloo (Washington DC LATA) MD   236   2010-08-19   
410-834 4 Waterloo (Washington DC LATA) MD   236   2019-12-18   
410-844 A Baltimore MD BLTQMD01DS0  238      
410-844 0 Baltimore MD   238   2011-11-21   
410-844 3 Baltimore MD   238   2011-11-21   
410-844 4 Baltimore MD   238   2011-11-21   
410-844 5 Baltimore MD   238   2011-11-21   
410-844 6 Baltimore MD   238   2011-11-21   
410-844 7 Baltimore MD   238   2011-11-21   
410-844 8 Baltimore MD   238   2011-11-21   
410-844 9 Baltimore MD   238   2011-11-21   
410-846 6 Severn MD   238   2012-10-11   
410-846 7 Severn MD   238   2012-10-11   
410-846 8 Severn MD   238   2012-10-11   
410-847 7 Towson MD   238   2019-03-25   
410-862 0 Waterloo (Washington DC LATA) MD   236   2013-05-04   
410-862 1 Waterloo (Washington DC LATA) MD   236   2013-05-04   
410-874 0 Odenton MD   238   2012-10-11   
410-874 4 Odenton MD   238   2012-10-11   
410-874 5 Odenton MD   238   2012-10-11   
410-888 0 Waterloo (Washington DC LATA) MD   236   2021-01-07   
410-892 1 Glen Burnie MD   238   2015-12-03   
410-914 1 Churchville MD   238   2020-06-21   
410-934 1 Annapolis MD   238   2012-10-11   
410-934 5 Annapolis MD   238   2012-10-11   
410-934 6 Annapolis MD   238   2012-10-11   
410-973 4 Berlin MD   242   2018-03-11   
443-252 8 Perryville MD   238   2013-05-04   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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