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.

Los Angeles: DA 01, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
213-242 0   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 1   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 2   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 4   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 5   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 6   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 7   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 8   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-242 9   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
213-243 A LSANCA03DS2  9740 PACIFIC BELL 730      
213-244 A LSANCA02DS4  9740 PACIFIC BELL 730      
213-244 0   9740 PACIFIC BELL 730      
213-244 1   9740 PACIFIC BELL 730      
213-244 2   9740 PACIFIC BELL 730      
213-244 3   9740 PACIFIC BELL 730      
213-244 4   9740 PACIFIC BELL 730      
213-244 5   9740 PACIFIC BELL 730      
213-244 6   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-03-19   
213-244 7   9740 PACIFIC BELL 730      
213-244 8   9740 PACIFIC BELL 730      
213-244 9   9740 PACIFIC BELL 730      
213-246 A LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
213-246 0   515J IP HORIZON LLC 730   2017-01-06   
213-246 1   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-19   
213-246 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2017-01-05   
213-246 3   981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-02-06   
213-246 4   981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-02-06   
213-246 5   508J CENTURYLINK COMMUNICATIONS, LLC 730   2017-01-09   
213-246 6   6529 T-MOBILE USA, INC. 730   2016-12-20   
213-246 7   6529 T-MOBILE USA, INC. 730   2016-12-20   
213-246 8   6529 T-MOBILE USA, INC. 730   2016-12-20   
213-246 9   6529 T-MOBILE USA, INC. 730   2016-12-20   
213-247 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
213-248 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
213-250 A LSANCA06DS0  9740 PACIFIC BELL 730      
213-250 0   9740 PACIFIC BELL 730      
213-250 1   9740 PACIFIC BELL 730      
213-250 2   9740 PACIFIC BELL 730      
213-250 3   9740 PACIFIC BELL 730      
213-250 4   9740 PACIFIC BELL 730      
213-250 5   9740 PACIFIC BELL 730      
213-250 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-02   
213-250 7   9740 PACIFIC BELL 730      
213-250 8   9740 PACIFIC BELL 730      
213-250 9   9740 PACIFIC BELL 730      
213-253 A LSANCA02DS3  9740 PACIFIC BELL 730      
213-253 0   9740 PACIFIC BELL 730      
213-253 1   9740 PACIFIC BELL 730      
213-253 2   9740 PACIFIC BELL 730      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.