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: 225

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-225 A Granite City IL GRCYILTADS0  9329 ILLINOIS BELL TEL CO 520      
618-225 0 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
618-225 1 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-10-23   
618-225 2 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2011-10-13   
618-225 3 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2012-06-06   
618-225 4 Granite City IL GRCYILTADS0  9329 ILLINOIS BELL TEL CO 520      
618-225 5 Granite City IL GRCYILTADS0  9329 ILLINOIS BELL TEL CO 520      
618-225 6 Granite City IL GRCYILTADS0  9329 ILLINOIS BELL TEL CO 520      
618-225 7 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
618-225 8 Granite City IL GRCYILTADS0  9329 ILLINOIS BELL TEL CO 520      
618-225 9 Granite City IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.