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

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
213-403 A Los Angeles: DA 01 CA   829J PAETEC ITEL, LLC 730      
213-403 0 Los Angeles: DA 01 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
213-403 1 Los Angeles: DA 01 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
213-403 2 Los Angeles: DA 01 CA   829J PAETEC ITEL, LLC 730      
213-403 3 Los Angeles: DA 01 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
213-403 4 Los Angeles: DA 01 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
213-403 5 Los Angeles: DA 01 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
213-403 6 Los Angeles: DA 01 CA   6529 T-MOBILE USA, INC. 730      
213-403 7 Los Angeles: DA 01 CA   6529 T-MOBILE USA, INC. 730      
213-403 8 Los Angeles: DA 01 CA   6529 T-MOBILE USA, INC. 730      
213-403 9 Los Angeles: DA 01 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.