Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 709

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-709 A Cumberland MD CMLDMDCMX0X  425J CSC WIRELESS, LLC 240      
301-709 0 Cumberland MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2020-09-11   
301-709 1 Cumberland MD   876D ONVOY, LLC - MD 240   2020-11-07   
301-709 2 Cumberland MD   425J CSC WIRELESS, LLC 240   2019-07-19   
301-709 3 Cumberland MD   876D ONVOY, LLC - MD 240   2020-01-05   
301-709 4 Cumberland MD   876D ONVOY, LLC - MD 240   2020-01-05   
301-709 5 Cumberland MD   876D ONVOY, LLC - MD 240   2020-02-10   
301-709 6 Cumberland MD   876D ONVOY, LLC - MD 240   2020-02-10   
301-709 7 Cumberland MD   876D ONVOY, LLC - MD 240   2020-02-10   
301-709 8 Cumberland MD   876D ONVOY, LLC - MD 240   2020-02-10   
301-709 9 Cumberland MD   876D ONVOY, LLC - MD 240   2020-11-07   

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

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