Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 464 [Rate centres in NPA 464] [Dial plan for NPA 464]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
464-777 A Summit IL CHCGILWURMD  965H FRACTEL, LLC 358      
464-777 0 Summit IL   624H ONVOY SPECTRUM, LLC 358   2024-04-19   
464-777 4 Summit IL   224C ONVOY, LLC 358   2023-04-20   
464-777 5 Summit IL   965H FRACTEL, LLC 358   2022-01-22   
464-777 6 Summit IL   516J TON80 COMMUNICATIONS, LLC 358   2022-03-31   
464-777 7 Summit IL   965H FRACTEL, LLC 358   2022-01-22   
464-777 8 Summit IL   224C ONVOY, LLC 358   2022-02-19   
464-777 9 Summit IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2022-02-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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