Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 2593 CORE COMMUNICATIONS, INC.- MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-935 7 Washington Zone 13 MD   236   2018-10-23   
301-935 8 Washington Zone 13 MD   236   2018-10-23   
301-935 9 Washington Zone 13 MD   236   2018-10-23   
301-936 2 Hagerstown MD   240   2019-03-29   
301-936 3 Hagerstown MD   240   2019-04-12   
301-936 4 Hagerstown MD   240   2019-04-12   
301-936 6 Hagerstown MD   240   2019-04-12   
301-936 7 Hagerstown MD   240   2019-04-12   
301-936 8 Hagerstown MD   240   2019-04-12   
301-936 9 Hagerstown MD   240   2019-04-12   
301-939 8 Washington Zone 13 MD   236   2018-10-23   
301-939 9 Washington Zone 13 MD   236   2019-04-29   
301-953 6 Washington Zone 13 MD   236   2019-04-29   
301-964 8 Myersville MD   240   2019-05-02   
301-970 0 Washington Zone 14 (Baltimore LATA) MD   238   2018-10-24   
301-970 1 Washington Zone 14 (Baltimore LATA) MD   238   2018-10-24   
301-970 8 Washington Zone 14 (Baltimore LATA) MD   238   2018-10-24   
301-973 0 Washington Zone 14 (Baltimore LATA) MD   238   2018-10-24   
301-973 1 Washington Zone 14 (Baltimore LATA) MD   238   2018-10-24   
301-973 2 Washington Zone 14 (Baltimore LATA) MD   238   2018-10-24   
301-973 7 Washington Zone 14 (Baltimore LATA) MD   238   2019-04-30   
301-973 8 Washington Zone 14 (Baltimore LATA) MD   238   2018-10-24   
301-973 9 Washington Zone 14 (Baltimore LATA) MD   238   2018-10-24   
301-978 0 Washington Zone 10 MD   236   2004-03-26   
301-997 7 Leonardtown MD   236   2008-03-03   
347-960 A New York City Zone 10 NY NYCMNY37FMD  132      
410-213 6 Ocean City MD   242   2018-06-17   
410-214 A Rising Sun MD BLTMMD91GT0  238      
410-214 0 Rising Sun MD   238   2009-05-09   
410-214 1 Rising Sun MD   238   2018-06-16   
410-214 3 Rising Sun MD   238   2018-06-16   
410-214 4 Rising Sun MD   238   2018-06-16   
410-214 8 Rising Sun MD   238   2019-06-27   
410-214 9 Rising Sun MD   238   2019-06-27   
410-226 2 Oxford MD   242   2004-04-03   
410-237 1 Baltimore MD   238   2018-10-23   
410-237 4 Baltimore MD   238   2018-10-23   
410-237 9 Baltimore MD   238   2018-10-23   
410-248 7 Parkville MD   238   2019-03-29   
410-261 0 Baltimore MD   238   2018-10-23   
410-261 6 Baltimore MD   238   2018-10-23   
410-264 2 Waterloo (Washington DC LATA) MD   236   2019-04-30   
410-264 6 Waterloo (Washington DC LATA) MD   236   2019-04-30   
410-275 5 Cecilton MD   242   2004-04-03   
410-304 1 Queenstown MD   242   2018-06-17   
410-304 8 Queenstown MD   242   2018-06-17   
410-304 9 Queenstown MD   242   2018-06-17   
410-305 6 Odenton MD   238   2004-04-02   
410-314 3 Arbutus MD   238   2018-06-16   
410-314 7 Arbutus MD   238   2018-06-16   

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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