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.

OCN: 2262 E.N.M.R. TEL COOP

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
575-279 A House NM HOUSNMXCRS0  664      
575-355 A Fort Sumner NM FTSMNMXCRS0  664      
575-357 A Grady NM PLHLNMXADS0  664      
575-372 A Weber City NM WBCYNMXCRS0  664      
575-374 A Clayton NM CLYTNMMARS0  664      
575-389 A Pleasant Hill NM PLHLNMXADS0  664      
575-421 A El Valle NM ELVLNMXCRS0  664      
575-422 A White Lakes NM PLHLNMXADS0  664      
575-423 A Bingham NM PLHLNMXADS0  664      
575-427 A Anton Chico NM PLHLNMXADS0  664      
575-456 A Bellview NM BLVWNMXCRS0  664      
575-458 A Ragland NM PLHLNMXADS0  664      
575-472 A Santa Rosa NM SNRSNMXCRS0  664      
575-485 A Roy NM ROY NMXCRS0  664      
575-487 A Logan NM LOGNNMXCRS0  664      
575-576 A San Jon NM SNJONMXCRS0  664      
575-584 A Vaughn NM VGHNNMXCRS0  664      
575-633 A Nara Visa NM NRVSNMXCRS0  664      
575-641 A Trementina NM PLHLNMXADS0  664      
575-673 A Mosquero NM MSQRNMXCRS0  664      
575-683 A South Clovis NM SCLVNMXCRS0  664      
575-849 A Corona NM CORNNMXCRS0  664      
575-868 A Conchas Dam NM CNDMNMXCRS0  664      
575-985 A Ranchvale NM PLHLNMXADS0  664      
806-389 A Pleasant Hill TX FRWLTXXADS0  546      
806-481 A Farwell TX FRWLTXXARS0  546      
806-575 A East Glenrio TX FRWLTXXARS0  546      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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