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: 681

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-681 A Lamar MO LAMRMOOVRS0  9533 SOUTHWESTERN BELL 522      
417-681 0 Lamar MO LAMRMOOVRS0  9533 SOUTHWESTERN BELL 522      
417-681 1 Lamar MO LAMRMOOVRS0  9533 SOUTHWESTERN BELL 522      
417-681 2 Lamar MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2021-06-19   
417-681 3 Lamar MO LAMRMOOVRS0  9533 SOUTHWESTERN BELL 522      
417-681 4 Lamar MO LAMRMOOVRS0  9533 SOUTHWESTERN BELL 522      
417-681 5 Lamar MO LAMRMOOVRS0  9533 SOUTHWESTERN BELL 522      
417-681 6 Lamar MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2021-06-19   
417-681 7 Lamar MO SPFDMOTLX7X  6701 AERIAL COMMUNICATIONS, INC. 522   2010-08-10   
417-681 8 Lamar MO SPFDMOMCX0X  5562 METROPCS, INC. 522   2021-05-08   
417-681 9 Lamar MO SPFDMOTLX7Y  093F ONVOY, LLC - MO 522   2021-05-14   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.