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: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 525

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-525 A Pawnee IL SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2024-06-28   
447-525 0 Pawnee IL SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2024-06-28   
447-525 1 Pawnee IL SPFDILMBWMD  073H TELNYX LLC 374   2024-07-01   
447-525 8 Pawnee IL SPFDILMBWMD  073H TELNYX LLC 374   2024-08-17   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.