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.

Lancaster, CA

<< 1 2 3 4 5

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-949 2 LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 3 LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 4 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
661-949 5 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-949 6 LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 7 LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 8 LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 9 LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-951 A LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-952 A LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 1 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 3 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 4 LSANCAJW6MD  073H TELNYX LLC 730      
661-952 5 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 6   145J TERRA NOVA TELECOM INC. 730      
661-952 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 8 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-952 9 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-974 A NHLLCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
661-974 0 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-974 1 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-974 2 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-974 3 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-974 4 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-974 5 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-974 6 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-974 7 NHLLCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
661-974 8 NHLLCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
661-974 9 SIMICACNGT1  6529 T-MOBILE USA, INC. 730      

<< 1 2 3 4 5

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.