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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-318 A Washington Zone 1 DC 275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236      
202-800 A Washington Zone 1 DC 275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236      
202-888 A Washington Zone 1 DC 275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236      
240-201 A Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-208 A La Plata MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-209 A Indian Head MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-213 A 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      
240-219 A Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-220 A Poolesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-248 A Ridge MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-250 A Brandywine MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-255 A Poolesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-266 A Washington Zone 14 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-269 A Washington Zone 16 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-282 A Mechanicsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-331 A Washington Zone 3 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-332 A Tompkinsville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-352 A La Plata MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-358 A Damascus MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-359 A Indian Head MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-368 A Waldorf MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-371 A Washington Zone 12 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-376 A Hughesville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-384 A Lexington Park-Great Mills MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-414 A Washington Zone 6 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-465 A Washington Zone 2 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-524 A Laurel MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-525 A Washington Zone 15 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-526 A Leonardtown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-536 A Ashton MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-539 A Washington Zone 4 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-597 A Gaithersburg MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-641 A Washington Zone 3 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-697 A Mechanicsville MD 469J CORETEL MARYLAND, INC. - MD 236      
240-757 A Washington Zone 13 MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-806 A Indian Head MD 568G PEERLESS NETWORK OF MARYLAND, LLC 236      
571-441 A Herndon VA 275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236      
571-493 A Dale City VA 5832 CORETEL VIRGINIA, LLC - VA 236      
571-620 A Washington Zone 17 VA 275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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