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: 549

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
847-549 A Libertyville IL LBVLILLIDS0  9329 ILLINOIS BELL TEL CO 358      
847-549 0 Libertyville IL   9329 ILLINOIS BELL TEL CO 358      
847-549 1 Libertyville IL   9329 ILLINOIS BELL TEL CO 358      
847-549 2 Libertyville IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2011-12-13   
847-549 3 Libertyville IL   318J COMCAST IP PHONE, LLC 358   2011-09-11   
847-549 4 Libertyville IL   9329 ILLINOIS BELL TEL CO 358      
847-549 5 Libertyville IL   9329 ILLINOIS BELL TEL CO 358      
847-549 6 Libertyville IL   9329 ILLINOIS BELL TEL CO 358      
847-549 7 Libertyville IL   9329 ILLINOIS BELL TEL CO 358      
847-549 8 Libertyville IL   9329 ILLINOIS BELL TEL CO 358      
847-549 9 Libertyville IL   9329 ILLINOIS BELL TEL CO 358      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.