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: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-997 A Nicasio CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-997 0 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-997 1 Nicasio CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-997 2 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-997 3 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-997 4 Nicasio CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
415-997 5 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-997 6 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-997 7 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-997 8 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-997 9 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.