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
667-333 6 Armiger-Gibson Island MD   238   2019-06-03   
667-333 7 Armiger-Gibson Island MD   238   2019-06-03   
667-336 A Bel Air MD BLTMMD91GT0  238      
667-336 0 Bel Air MD   238   2018-07-23   
667-336 1 Bel Air MD   238   2018-07-23   
667-336 2 Bel Air MD   238   2019-05-02   
667-336 3 Bel Air MD   238   2019-05-02   
667-336 4 Bel Air MD   238   2019-05-02   
667-336 6 Bel Air MD   238   2019-05-02   
667-336 7 Bel Air MD   238   2019-05-02   
667-336 8 Bel Air MD   238   2018-07-23   
667-344 1 Chase MD   238   2019-05-02   
667-344 2 Chase MD   238   2019-05-02   
667-344 3 Chase MD   238   2019-05-02   
667-344 4 Chase MD   238   2019-03-22   
667-344 5 Chase MD   238   2019-05-02   
667-344 6 Chase MD   238   2019-03-28   
667-344 7 Chase MD   238   2019-05-02   
667-344 9 Chase MD   238   2019-03-28   
667-345 A Catonsville MD BLTMMD91GT0  238      
667-345 0 Catonsville MD   238   2018-07-26   
667-345 1 Catonsville MD   238   2018-07-26   
667-345 6 Catonsville MD   238   2018-07-26   
667-362 A Annapolis MD BLTMMD91GT0  238      
667-362 0 Annapolis MD   238   2018-12-09   
667-362 1 Annapolis MD   238   2018-12-09   
667-362 2 Annapolis MD   238   2018-12-09   
667-362 3 Annapolis MD   238   2018-12-09   
667-362 4 Annapolis MD   238   2018-12-09   
667-362 5 Annapolis MD   238   2018-12-09   
667-362 6 Annapolis MD   238   2018-12-09   
667-362 7 Annapolis MD   238   2018-12-09   
667-362 8 Annapolis MD   238   2018-12-09   
667-362 9 Annapolis MD   238   2018-12-09   
667-364 A Stevensville MD ESTNMDBNGT0  242      
667-364 0 Stevensville MD   242   2018-07-26   
667-364 1 Stevensville MD   242   2018-07-26   
667-364 3 Stevensville MD   242   2019-03-29   
667-364 4 Stevensville MD   242   2018-07-26   
667-364 5 Stevensville MD   242   2019-07-31   
667-364 6 Stevensville MD   242   2019-03-29   
667-364 7 Stevensville MD   242   2019-03-29   
667-366 A Hampstead MD BLTMMD91GT0  238      
667-366 0 Hampstead MD   238   2018-12-06   
667-366 1 Hampstead MD   238   2018-12-06   
667-366 2 Hampstead MD   238   2019-03-29   
667-366 3 Hampstead MD   238   2019-03-29   
667-366 4 Hampstead MD   238   2019-03-29   
667-366 5 Hampstead MD   238   2019-03-29   
667-366 6 Hampstead MD   238   2019-03-29   

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

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