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: Sat, 18 Oct 2014 02:39:13 UTC

How to use this page

NPA: 213 [Rate centres in NPA 213] [Dial plan for NPA 213]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
213-273 A Los Angeles: DA 10 CA LSANCA06DS0 9740 PACIFIC BELL [link] 730 map
213-273 0 Los Angeles: DA 10 CA 9740 PACIFIC BELL [link] 730
213-273 1 Los Angeles: DA 10 CA 9740 PACIFIC BELL [link] 730
213-273 2 Los Angeles: DA 10 CA 9740 PACIFIC BELL [link] 730
213-273 3 Los Angeles: DA 10 CA 899D METROPCS NETWORKS, LLC [link] 730 2010-09-27
213-273 4 Los Angeles: DA 10 CA 899D METROPCS NETWORKS, LLC [link] 730 2010-09-27
213-273 5 Los Angeles: DA 10 CA 6529 T-MOBILE USA, INC. [link] 730 2005-03-14
213-273 6 Los Angeles: DA 10 CA 6529 T-MOBILE USA, INC. [link] 730 2005-03-14
213-273 7 Los Angeles: DA 10 CA 9740 PACIFIC BELL [link] 730
213-273 8 Los Angeles: DA 10 CA 9740 PACIFIC BELL [link] 730
213-273 9 Los Angeles: DA 10 CA 9740 PACIFIC BELL [link] 730



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