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: 601 [Rate centres in NPA 601] [Dial plan for NPA 601]

NXX: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-305 A Hattiesburg MS JCSNMSPSX4Y  992E BANDWIDTH.COM CLEC, LLC - MS 482   2024-12-12   
601-305 0 Hattiesburg MS JCSNMSCP60Z  624H ONVOY SPECTRUM, LLC 482   2025-05-12   
601-305 1 Hattiesburg MS JCSNMSCP64Z  6396 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 482   2025-08-19   
601-305 2 Hattiesburg MS JCSNMSCPXWZ  458C TELEPORT COMMUNICATIONS AMERICA MS - LLC 482   2025-04-27   
601-305 3 Hattiesburg MS JCSNMSCP60Z  624H ONVOY SPECTRUM, LLC 482   2025-05-12   
601-305 4 Hattiesburg MS JCSNMSPSX4Y  992E BANDWIDTH.COM CLEC, LLC - MS 482   2026-06-06   
601-305 5 Hattiesburg MS JCSNMSCP60Z  624H ONVOY SPECTRUM, LLC 482   2025-05-12   
601-305 6 Hattiesburg MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482   2026-03-13   
601-305 7 Hattiesburg MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482   2026-03-13   
601-305 8 Hattiesburg MS JCSNMSCP64Z  6396 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 482   2026-02-23   
601-305 9 Hattiesburg MS JCSNMSPSX4Y  992E BANDWIDTH.COM CLEC, LLC - MS 482      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.