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: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 561

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-561 A Peoria IL PEORILPJXSZ  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 368      
309-561 0 Peoria IL PEORILPBGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 368      
309-561 1 Peoria IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368      
309-561 2 Peoria IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368      
309-561 3 Peoria IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368      
309-561 4 Peoria IL PEORILPJXYX  224C ONVOY, LLC 368      
309-561 5 Peoria IL PEORILPJXYX  224C ONVOY, LLC 368      
309-561 6 Peoria IL PEORILPJXYX  224C ONVOY, LLC 368      
309-561 7 Peoria IL PEORILPJXYX  224C ONVOY, LLC 368      
309-561 8 Peoria IL PEORILPJXYX  224C ONVOY, LLC 368      
309-561 9 Peoria IL PEORILPJXSZ  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 368      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.