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: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-238 A Olney IL   224C ONVOY, LLC 978   2024-04-29   
730-238 0 Olney IL   224C ONVOY, LLC 978      
730-238 1 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
730-238 2 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
730-238 3 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
730-238 4 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
730-238 5 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
730-238 6 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
730-238 7 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
730-238 8 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
730-238 9 Olney IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.