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: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 870

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-870 A Bethalto IL STLSMOGZ00Z  490J DISH WIRELESS, LLC 520      
618-870 0 Bethalto IL STLSMOWQDS2  224C ONVOY, LLC 520   2024-03-03   
618-870 1 Bethalto IL STLSMOGZ8MD  939H COMMIO, LLC 520   2022-12-15   
618-870 8 Bethalto IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-870 9 Bethalto IL STLSMOGZ00Z  490J DISH WIRELESS, LLC 520   2022-11-07   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.