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: NWORLAMAYIX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
504-233 A Lafitte LA 318J COMCAST IP PHONE, LLC 490      
504-265 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-267 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-272 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-301 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-302 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-304 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-305 A Kenner LA 318J COMCAST IP PHONE, LLC 490      
504-308 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-309 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-325 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-372 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
504-605 A New Orleans LA 318J COMCAST IP PHONE, LLC 490      
985-262 A Houma LA 318J COMCAST IP PHONE, LLC 490      
985-270 A Garyville LA 318J COMCAST IP PHONE, LLC 490      
985-287 A Laplace LA 318J COMCAST IP PHONE, LLC 490      
985-306 A Paradis LA 318J COMCAST IP PHONE, LLC 490      
985-307 A Norco LA 318J COMCAST IP PHONE, LLC 490      
985-308 A Luling LA 318J COMCAST IP PHONE, LLC 490      
985-390 A Reserve LA 318J COMCAST IP PHONE, LLC 490      
985-412 A Patterson LA 318J COMCAST IP PHONE, LLC 490      
985-492 A Thibodaux LA 318J COMCAST IP PHONE, LLC 490      
985-709 A Houma LA 318J COMCAST IP PHONE, LLC 490      
985-819 A Mandeville LA 318J COMCAST IP PHONE, LLC 490      

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

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