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]

<< 1 2 3 4 5 6 7 8 9

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-777 1 Carlyle IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
730-777 2 Carlyle IL   224C ONVOY, LLC 520   2025-10-04   
730-777 7 Carlyle IL STLSMOWQDS2  224C ONVOY, LLC 520   2024-11-13   
730-888 A Anna IL CRDLILXEX8X  224C ONVOY, LLC 362   2024-11-13   
730-888 0 Anna IL CRDLILXEX8X  224C ONVOY, LLC 362   2024-11-13   
730-888 8 Anna IL CRDLILXEX8X  224C ONVOY, LLC 362   2024-11-13   
730-888 9 Anna IL   145J TERRA NOVA TELECOM INC. 362   2025-07-31   
730-999 A Marion IL CRDLILXEX8X  224C ONVOY, LLC 362   2024-11-13   
730-999 0 Marion IL CRDLILXEX8X  224C ONVOY, LLC 362   2024-11-13   
730-999 8 Marion IL   145J TERRA NOVA TELECOM INC. 362   2025-07-31   
730-999 9 Marion IL CRDLILXEX8X  224C ONVOY, LLC 362   2024-11-13   

<< 1 2 3 4 5 6 7 8 9

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.