Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: WASHDC12DS6

<< 1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-213 9 Waldorf MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-214 A Mechanicsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-218 A Nanjemoy MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-218 7 Nanjemoy MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-219 A Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-219 0 Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2014-11-13   
240-248 A Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-248 2 Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2023-08-19   
240-248 5 Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2021-12-02   
240-248 6 Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2023-02-27   
240-248 9 Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-250 A Brandywine MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-250 0 Brandywine MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-255 A Poolesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-255 6 Poolesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2021-03-24   
240-255 9 Poolesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-269 1 Washington Zone 16 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2021-12-30   
240-269 9 Washington Zone 16 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-282 A Mechanicsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-282 0 Mechanicsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-304 3 Washington Zone 5 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2012-09-15   
240-312 5 Washington Zone 5 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-06-21   
240-312 6 Washington Zone 5 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-08-26   
240-318 1 Washington Zone 16 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-04   
240-318 9 Washington Zone 16 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-04   
240-332 A Tompkinsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-332 3 Tompkinsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-06-21   
240-332 6 Tompkinsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236   2021-01-07   
240-332 9 Tompkinsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-352 A La Plata MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-352 0 La Plata MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-358 A Damascus MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-358 5 Damascus MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-358 9 Damascus MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-359 A Indian Head MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-359 9 Indian Head MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-368 A Waldorf MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-368 9 Waldorf MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-371 A Washington Zone 12 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-371 0 Washington Zone 12 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-371 1 Washington Zone 12 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-371 9 Washington Zone 12 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-376 A Hughesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-376 1 Hughesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-376 9 Hughesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-384 A Lexington Park-Great Mills MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-384 1 Lexington Park-Great Mills MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-384 9 Lexington Park-Great Mills MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-465 A Washington Zone 2 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-465 0 Washington Zone 2 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      

<< 1 2 3 4 >>

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.