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: 980

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-980 A Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-980 0 Leonardtown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-01-08   
240-980 1 Leonardtown MD   876D ONVOY, LLC - MD 236   2024-03-01   
240-980 2 Leonardtown MD   876D ONVOY, LLC - MD 236   2024-03-01   
240-980 3 Leonardtown MD   876D ONVOY, LLC - MD 236   2023-06-17   
240-980 4 Leonardtown MD   876D ONVOY, LLC - MD 236   2023-06-17   
240-980 5 Leonardtown MD   876D ONVOY, LLC - MD 236   2023-08-10   
240-980 6 Leonardtown MD   876D ONVOY, LLC - MD 236   2023-08-10   
240-980 7 Leonardtown MD   876D ONVOY, LLC - MD 236   2023-08-10   
240-980 8 Leonardtown MD   876D ONVOY, LLC - MD 236   2024-03-01   
240-980 9 Leonardtown MD   876D ONVOY, LLC - MD 236   2024-04-06   

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

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