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
240-465 7 Washington Zone 2 MD   236   2019-06-26   
240-465 8 Washington Zone 2 MD   236   2019-06-26   
240-488 9 Oakland MD   240   2019-05-02   
240-509 2 Washington Zone 14 (Baltimore LATA) MD   238   2018-06-16   
240-509 4 Washington Zone 14 (Baltimore LATA) MD   238   2018-06-16   
240-509 5 Washington Zone 14 (Baltimore LATA) MD   238   2018-06-16   
240-512 A Washington Zone 13 (Baltimore LATA) MD BLTMMD91GT0  238      
240-514 9 Washington Zone 11 MD   236   2018-10-24   
240-518 9 Waldorf MD   236   2018-10-23   
240-526 2 Leonardtown MD   236   2019-06-26   
240-526 4 Leonardtown MD   236   2019-06-26   
240-526 5 Leonardtown MD   236   2019-06-26   
240-526 6 Leonardtown MD   236   2019-06-26   
240-530 2 Waldorf MD   236   2018-10-23   
240-530 3 Waldorf MD   236   2018-10-23   
240-530 4 Waldorf MD   236   2018-10-23   
240-530 6 Waldorf MD   236   2018-10-23   
240-530 9 Waldorf MD   236   2018-10-23   
240-537 1 Hagerstown MD   240   2018-10-22   
240-537 2 Hagerstown MD   240   2018-10-22   
240-537 3 Hagerstown MD   240   2018-10-22   
240-537 4 Hagerstown MD   240   2018-10-22   
240-537 5 Hagerstown MD   240   2018-10-22   
240-537 6 Hagerstown MD   240   2018-10-22   
240-537 7 Hagerstown MD   240   2018-10-22   
240-544 9 Washington Zone 14 MD   236   2018-10-23   
240-546 5 Washington Zone 16 MD   236   2018-06-16   
240-546 7 Washington Zone 16 MD   236   2018-06-16   
240-546 9 Washington Zone 16 MD   236   2019-05-01   
240-548 2 Washington Zone 14 MD   236   2018-10-23   
240-548 4 Washington Zone 14 MD   236   2018-10-23   
240-548 5 Washington Zone 14 MD   236   2018-10-23   
240-548 6 Washington Zone 14 MD   236   2018-10-23   
240-548 9 Washington Zone 14 MD   236   2018-10-23   
240-553 2 Washington Zone 13 MD   236   2019-04-29   
240-557 4 Washington Zone 6 MD   236   2018-06-16   
240-557 5 Washington Zone 6 MD   236   2018-06-16   
240-557 6 Washington Zone 6 MD   236   2018-06-16   
240-563 6 Washington Zone 5 MD   236   2019-04-29   
240-563 8 Washington Zone 5 MD   236   2019-04-29   
240-564 2 Laurel MD   236   2019-05-01   
240-564 4 Laurel MD   236   2019-05-01   
240-564 6 Laurel MD   236   2019-05-01   
240-569 2 Flintstone MD   240   2018-06-16   
240-569 3 Flintstone MD   240   2018-06-16   
240-569 4 Flintstone MD   240   2018-06-16   
240-569 6 Flintstone MD   240   2019-07-31   
240-569 9 Flintstone MD   240   2019-07-31   
240-576 1 Hagerstown MD   240   2018-10-22   
240-576 2 Hagerstown MD   240   2019-04-12   

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

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