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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
213-231 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-12-12   
213-232 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-233 A   829J PAETEC ITEL, LLC 730      
213-236 A LSANCA02DS4  9740 PACIFIC BELL 730      
213-237 A LSANCA02DS3  9740 PACIFIC BELL 730      
213-237 0   9740 PACIFIC BELL 730      
213-237 1   649C ONVOY, LLC - CA 730   2013-01-10   
213-237 2   9740 PACIFIC BELL 730      
213-237 3   9740 PACIFIC BELL 730      
213-237 4   9740 PACIFIC BELL 730      
213-237 5   9740 PACIFIC BELL 730      
213-237 6   9740 PACIFIC BELL 730      
213-237 7   9740 PACIFIC BELL 730      
213-237 8   9740 PACIFIC BELL 730      
213-237 9   9740 PACIFIC BELL 730      
213-238 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
213-238 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-29   
213-238 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-29   
213-238 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-29   
213-238 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-29   
213-238 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-29   
213-238 5   649C ONVOY, LLC - CA 730   2016-10-15   
213-238 6   649C ONVOY, LLC - CA 730   2016-10-15   
213-238 7   6529 T-MOBILE USA, INC. 730   2016-10-14   
213-238 8   6529 T-MOBILE USA, INC. 730   2016-10-14   
213-238 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-29   
213-239 A LSANCA03DS2  9740 PACIFIC BELL 730      
213-239 0   9740 PACIFIC BELL 730      
213-239 1   9740 PACIFIC BELL 730      
213-239 2   9740 PACIFIC BELL 730      
213-239 3   6529 T-MOBILE USA, INC. 730   2004-10-04   
213-239 4   6529 T-MOBILE USA, INC. 730   2004-10-04   
213-239 5   9740 PACIFIC BELL 730      
213-239 6   9740 PACIFIC BELL 730      
213-239 7   9740 PACIFIC BELL 730      
213-239 8   9740 PACIFIC BELL 730      
213-239 9   9740 PACIFIC BELL 730      
213-240 A LSANCA06DS0  9740 PACIFIC BELL 730      
213-241 A LSANCA06DS0  9740 PACIFIC BELL 730      
213-241 0   9740 PACIFIC BELL 730      
213-241 1   9740 PACIFIC BELL 730      
213-241 2   9740 PACIFIC BELL 730      
213-241 3   9740 PACIFIC BELL 730      
213-241 4   9740 PACIFIC BELL 730      
213-241 5   9740 PACIFIC BELL 730      
213-241 6   9740 PACIFIC BELL 730      
213-241 7   9740 PACIFIC BELL 730      
213-241 8   9740 PACIFIC BELL 730      
213-241 9   6529 T-MOBILE USA, INC. 730   2004-12-03   
213-242 A LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
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 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.