Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 873

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-873 A Buckeystown MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-873 0 Buckeystown MD   876D ONVOY, LLC - MD 240   2021-07-11   
240-873 1 Buckeystown MD   876D ONVOY, LLC - MD 240   2020-10-17   
240-873 2 Buckeystown MD   876D ONVOY, LLC - MD 240   2020-10-17   
240-873 3 Buckeystown MD   9212 VERIZON MARYLAND, INC. 240   2020-05-18   
240-873 4 Buckeystown MD   9212 VERIZON MARYLAND, INC. 240   2020-05-18   
240-873 5 Buckeystown MD   624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-873 6 Buckeystown MD   876D ONVOY, LLC - MD 240   2022-10-16   
240-873 7 Buckeystown MD   876D ONVOY, LLC - MD 240   2019-12-11   
240-873 8 Buckeystown MD   876D ONVOY, LLC - MD 240   2019-12-11   
240-873 9 Buckeystown MD   876D ONVOY, LLC - MD 240   2021-07-11   

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

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