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: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 252

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-252 A Mattoon IL MTONILXCXMX  321J HD CARRIER LLC 976      
447-252 0 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-05-18   
447-252 1 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-05-18   
447-252 2 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-05-18   
447-252 3 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-07-17   
447-252 4 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-07-17   
447-252 5 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-07-17   
447-252 6 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-07-17   
447-252 7 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-07-17   
447-252 8 Mattoon IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2023-07-17   
447-252 9 Mattoon IL MTONILXCXMX  321J HD CARRIER LLC 976   2023-05-11   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.