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: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-661 A Snow Hill MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-661 2 Snow Hill MD   318J COMCAST IP PHONE, LLC 242   2023-04-01   
667-661 3 Snow Hill MD   624H ONVOY SPECTRUM, LLC 242   2022-03-13   
667-661 4 Snow Hill MD   624H ONVOY SPECTRUM, LLC 242   2022-03-13   
667-661 5 Snow Hill MD   624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-661 6 Snow Hill MD   876D ONVOY, LLC - MD 242   2019-12-11   
667-661 7 Snow Hill MD   876D ONVOY, LLC - MD 242   2019-12-11   
667-661 8 Snow Hill MD   876D ONVOY, LLC - MD 242   2021-07-12   
667-661 9 Snow Hill MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2022-04-15   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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