Local Calling Guide

Area code/prefix search

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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
443-998 2 Parkville MD   238   2018-10-23   
443-998 3 Parkville MD   238   2018-10-23   
443-998 4 Parkville MD   238   2018-10-23   
443-998 5 Parkville MD   238   2018-10-23   
443-998 6 Parkville MD   238   2018-10-23   
667-204 1 Annapolis MD   238   2018-10-30   
667-215 6 Elkton MD   238   2019-05-02   
667-215 7 Elkton MD   238   2019-05-02   
667-215 9 Elkton MD   238   2019-05-02   
667-220 2 Greensboro MD   242   2018-06-17   
667-220 3 Greensboro MD   242   2018-06-17   
667-220 4 Greensboro MD   242   2018-06-17   
667-221 6 Salisbury MD   242   2019-05-02   
667-221 7 Salisbury MD   242   2019-03-22   
667-222 7 Armiger-Gibson Island MD   238   2019-06-03   
667-222 9 Armiger-Gibson Island MD   238   2019-06-03   
667-223 2 Baltimore MD   238   2018-10-19   
667-223 3 Baltimore MD   238   2018-10-19   
667-223 4 Baltimore MD   238   2018-10-19   
667-223 5 Baltimore MD   238   2018-10-19   
667-223 6 Baltimore MD   238   2018-10-19   
667-223 7 Baltimore MD   238   2018-10-19   
667-223 8 Baltimore MD   238   2018-10-19   
667-223 9 Baltimore MD   238   2018-10-19   
667-226 3 St Michaels MD   242   2018-06-17   
667-226 4 St Michaels MD   242   2018-06-17   
667-226 5 St Michaels MD   242   2018-06-17   
667-226 6 St Michaels MD   242   2019-03-29   
667-226 7 St Michaels MD   242   2019-03-29   
667-227 2 Salisbury MD   242   2019-03-22   
667-227 3 Salisbury MD   242   2019-03-22   
667-227 4 Salisbury MD   242   2019-03-22   
667-227 5 Salisbury MD   242   2019-03-22   
667-227 6 Salisbury MD   242   2019-03-22   
667-227 7 Salisbury MD   242   2019-03-22   
667-230 6 Centreville MD   242   2019-07-31   
667-230 7 Centreville MD   242   2019-07-31   
667-232 2 Glen Burnie MD   238   2019-05-02   
667-232 3 Glen Burnie MD   238   2019-05-02   
667-232 4 Glen Burnie MD   238   2019-05-02   
667-232 5 Glen Burnie MD   238   2019-05-02   
667-232 6 Glen Burnie MD   238   2019-05-02   
667-235 1 Salisbury MD   242   2018-10-23   
667-235 2 Salisbury MD   242   2018-10-23   
667-235 3 Salisbury MD   242   2018-10-23   
667-235 4 Salisbury MD   242   2018-10-23   
667-235 5 Salisbury MD   242   2018-10-23   
667-235 6 Salisbury MD   242   2018-10-23   
667-235 7 Salisbury MD   242   2018-10-23   
667-235 8 Salisbury MD   242   2018-10-23   

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Last updated: Wed, 01 Apr 2020 02:09:16 UTC

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