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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-578 A South Tahoe CA SCRMCA01XEZ  516C AT&T CORP. 726      
530-578 0 South Tahoe CA SCRMCA01XEZ  516C AT&T CORP. 726      
530-578 1 South Tahoe CA SCRMCA01X9Z  508J CENTURYLINK COMMUNICATIONS, LLC 726      
530-578 2 South Tahoe CA SCRMCA01X9Z  508J CENTURYLINK COMMUNICATIONS, LLC 726      
530-578 3 South Tahoe CA SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726      
530-578 4 South Tahoe CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-578 5 South Tahoe CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-578 6 South Tahoe CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 726      
530-578 7 South Tahoe CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-578 8 South Tahoe CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-578 9 South Tahoe CA STAHCA13RS0  9740 PACIFIC BELL 726      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.