Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-422 A De Kalb IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364   2025-06-26   
779-422 0 De Kalb IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364   2025-06-26   
779-422 1 De Kalb IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364   2025-06-26   
779-422 2 De Kalb IL   6529 T-MOBILE USA, INC. 364   2025-06-27   
779-422 8 De Kalb IL   6529 T-MOBILE USA, INC. 364   2025-06-27   
779-422 9 De Kalb IL   6529 T-MOBILE USA, INC. 364   2025-06-27   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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