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: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-644 A Severna Park MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-644 0 Severna Park MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-644 1 Severna Park MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-644 2 Severna Park MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-644 3 Severna Park MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-644 4 Severna Park MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-644 5 Severna Park MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-644 6 Severna Park MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-644 7 Severna Park MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-644 8 Severna Park MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-644 9 Severna Park MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      

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

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