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: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-594 A Lebanon MO SPFDMOTLXBX  5562 METROPCS, INC. 522      
417-594 0 Lebanon MO SPFDMOTLXBX  5562 METROPCS, INC. 522      
417-594 1 Lebanon MO SPFDMOTLXBX  5562 METROPCS, INC. 522      
417-594 2 Lebanon MO SPFDMOMCX8X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 522   2024-09-20   
417-594 7 Lebanon MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2023-08-12   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.