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: 464 [Rate centres in NPA 464] [Dial plan for NPA 464]

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
464-228 A Blue Island IL CHCGIL24DS6  224C ONVOY, LLC 358      
464-228 0 Blue Island IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2023-11-17   
464-228 1 Blue Island IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2023-11-17   
464-228 2 Blue Island IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-11-04   
464-228 3 Blue Island IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2023-11-17   
464-228 4 Blue Island IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2023-11-17   
464-228 5 Blue Island IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2023-11-17   
464-228 6 Blue Island IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-01-21   
464-228 7 Blue Island IL   224C ONVOY, LLC 358   2024-04-08   
464-228 8 Blue Island IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2024-01-13   
464-228 9 Blue Island IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2024-01-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.