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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-274 A Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-03   
730-274 0 Collinsville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520   2025-12-15   
730-274 1 Collinsville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520   2025-12-15   
730-274 2 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-01-30   
730-274 3 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-01-30   
730-274 4 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-01-30   
730-274 5 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-04   
730-274 6 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-04   
730-274 7 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-22   
730-274 8 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-22   
730-274 9 Collinsville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-03   

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.