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: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-660 A Marion MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-660 4 Marion MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-10-17   
667-660 5 Marion MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-10-17   
667-660 6 Marion MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-12-11   
667-660 7 Marion MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-12-11   
667-660 8 Marion MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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