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.

NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 872

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-872 A Los Angeles: DA 14 CA SHOKCA01DS0  9740 PACIFIC BELL 730      
323-872 0 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-10-15   
323-872 1 Los Angeles: DA 14 CA   9740 PACIFIC BELL 730      
323-872 2 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-10-29   
323-872 3 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-10-29   
323-872 4 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-10-27   
323-872 5 Los Angeles: DA 14 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-07-22   
323-872 6 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-10-16   
323-872 7 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-08-12   
323-872 8 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-08-21   
323-872 9 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-09-12   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.