Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Thu, 25 Dec 2014 12:14:48 UTC

How to use this page

Switch: LSANCA02DS3

See all switches at this location

NPA-NXX BLOCK Rate Centre Region OCN LATA Eff date Disc date Map
213-237 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-253 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-473 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-485 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-628 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-680 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-808 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-847 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-893 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-922 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-928 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-972 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-974 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map
213-978 A Los Angeles: DA 01 CA 9740 PACIFIC BELL [link] 730 map



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