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: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-577 A Elkton MD BLTQMD01AMD  965H FRACTEL, LLC 238      
667-577 0 Elkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-09   
667-577 1 Elkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-09   
667-577 2 Elkton MD   318J COMCAST IP PHONE, LLC 238   2021-10-07   
667-577 3 Elkton MD   318J COMCAST IP PHONE, LLC 238   2021-10-07   
667-577 4 Elkton MD   876D ONVOY, LLC - MD 238   2023-08-10   
667-577 5 Elkton MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-10-10   
667-577 6 Elkton MD   876D ONVOY, LLC - MD 238   2021-03-04   
667-577 7 Elkton MD   965H FRACTEL, LLC 238   2020-09-12   
667-577 8 Elkton MD   876D ONVOY, LLC - MD 238   2021-03-04   
667-577 9 Elkton MD   876D ONVOY, LLC - MD 238   2021-03-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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