Local Calling Guide

Area code/prefix search

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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-788 A Westminster MD BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238      
667-788 0 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-788 1 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-788 2 Westminster MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-788 3 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-788 4 Westminster MD BLTQMD019MD  490J DISH WIRELESS, LLC 238      
667-788 6 Westminster MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-788 7 Westminster MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-788 8 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-788 9 Westminster MD BLTMMDCHX3Y  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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