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: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-420 A Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 0 Decatur IL SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2015-09-12   
217-420 1 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 2 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 3 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 4 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 5 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 6 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 7 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 8 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 9 Decatur IL DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.