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: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-503 A Jackson MS JCSNMSPSXMY  7421 AT&T - LOCAL 482      
601-503 0 Jackson MS JCSNMS60CM2  6581 CELLULAR SOUTH, INC. 482      
601-503 1 Jackson MS JCSNMSCPXWZ  458C TELEPORT COMMUNICATIONS AMERICA MS - LLC 482      
601-503 2 Jackson MS JCSNMSPSXMY  7421 AT&T - LOCAL 482      
601-503 3 Jackson MS JCSNMS60CM2  6581 CELLULAR SOUTH, INC. 482      
601-503 4 Jackson MS JCSNMS60CM2  6581 CELLULAR SOUTH, INC. 482      
601-503 5 Jackson MS JCSNMS60CM2  6581 CELLULAR SOUTH, INC. 482      
601-503 6 Jackson MS JCSNMS60CM2  6581 CELLULAR SOUTH, INC. 482      
601-503 7 Jackson MS JCSNMS60CM2  6581 CELLULAR SOUTH, INC. 482      
601-503 8 Jackson MS   7474 POWERTEL MEMPHIS LICENSES, INC. 482      
601-503 9 Jackson MS JCSNMSCP60Z  624H ONVOY SPECTRUM, LLC 482      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.