Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-274 A Elkridge MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-274 0 Elkridge MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-10-28   
667-274 1 Elkridge MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2020-08-17   
667-274 2 Elkridge MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-274 3 Elkridge MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-10-29   
667-274 4 Elkridge MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-28   
667-274 5 Elkridge MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-07-12   
667-274 6 Elkridge MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-22   
667-274 7 Elkridge MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-08-26   
667-274 8 Elkridge MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-11-25   
667-274 9 Elkridge MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-11-25   

Last updated: Tue, 15 Nov 2022 00:10:00 UTC

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