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: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-440 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-440 0 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-09-26   
667-440 1 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-09-26   
667-440 2 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-09-25   
667-440 3 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-09-25   
667-440 4 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-09-25   
667-440 5 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-11-26   
667-440 6 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-11-26   
667-440 7 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-11-26   
667-440 8 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-11-26   
667-440 9 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-11-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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