Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 568G PEERLESS NETWORK OF MARYLAND, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-269 9 Washington Zone 16 MD   236      
240-282 A Mechanicsville MD WASHDC12DS6  236      
240-282 0 Mechanicsville MD   236      
240-304 3 Washington Zone 5 MD   236   2012-09-15   
240-312 5 Washington Zone 5 MD   236   2020-06-21   
240-312 6 Washington Zone 5 MD   236   2020-08-26   
240-318 1 Washington Zone 16 MD   236   2013-05-04   
240-318 9 Washington Zone 16 MD   236   2013-05-04   
240-331 A Washington Zone 3 MD SLSPMD91DS0  236      
240-331 0 Washington Zone 3 MD   236      
240-331 3 Washington Zone 3 MD   236   2020-04-15   
240-331 7 Washington Zone 3 MD   236   2020-08-26   
240-332 A Tompkinsville MD WASHDC12DS6  236      
240-332 3 Tompkinsville MD   236   2020-06-21   
240-332 6 Tompkinsville MD   236   2021-01-07   
240-332 9 Tompkinsville MD   236      
240-352 A La Plata MD WASHDC12DS6  236      
240-352 0 La Plata MD   236      
240-358 A Damascus MD WASHDC12DS6  236      
240-358 5 Damascus MD   236      
240-358 9 Damascus MD   236      
240-359 A Indian Head MD WASHDC12DS6  236      
240-359 9 Indian Head MD   236      
240-368 A Waldorf MD WASHDC12DS6  236      
240-368 9 Waldorf MD   236      
240-371 A Washington Zone 12 MD WASHDC12DS6  236      
240-371 0 Washington Zone 12 MD   236      
240-371 1 Washington Zone 12 MD   236      
240-371 9 Washington Zone 12 MD   236      
240-376 A Hughesville MD WASHDC12DS6  236      
240-376 1 Hughesville MD   236      
240-376 9 Hughesville MD   236      
240-384 A Lexington Park-Great Mills MD WASHDC12DS6  236      
240-384 1 Lexington Park-Great Mills MD   236      
240-384 9 Lexington Park-Great Mills MD   236      
240-414 A Washington Zone 6 MD SLSPMD91DS0  236      
240-414 5 Washington Zone 6 MD   236   2020-08-26   
240-414 6 Washington Zone 6 MD   236   2020-04-15   
240-414 9 Washington Zone 6 MD   236      
240-436 5 Buckeystown MD   240   2018-03-11   
240-436 9 Buckeystown MD   240   2019-06-19   
240-465 A Washington Zone 2 MD WASHDC12DS6  236      
240-465 0 Washington Zone 2 MD   236      
240-465 9 Washington Zone 2 MD   236      
240-488 2 Oakland MD   240   2018-03-16   
240-503 A Tompkinsville MD SLSPMD91DS0  236      
240-503 1 Tompkinsville MD   236   2013-06-07   
240-503 2 Tompkinsville MD   236   2013-06-07   
240-509 1 Washington Zone 14 (Baltimore LATA) MD   238   2013-05-05   
240-509 6 Washington Zone 14 (Baltimore LATA) MD   238   2019-12-28   

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

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