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: 847 [Rate centres in NPA 847] [Dial plan for NPA 847]

NXX: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
847-550 A Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 0 Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 1 Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 2 Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 3 Lake Zurich IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-550 4 Lake Zurich IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
847-550 5 Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 6 Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 7 Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 8 Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 9 Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.