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: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 415

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-415 A Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
224-415 0 Northbrook IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
224-415 1 Northbrook IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
224-415 2 Northbrook IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
224-415 3 Northbrook IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
224-415 4 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
224-415 5 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
224-415 6 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
224-415 7 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
224-415 8 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
224-415 9 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.