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.

OCN: 781K RINGER MOBILE, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
434-438 A Lovingston VA   250   2025-05-22   
434-438 0 Lovingston VA   250   2025-05-22   
502-280 A Lawrenceburg KY   462   2025-05-22   
502-280 0 Lawrenceburg KY   462   2025-05-22   
605-701 A Flandreau SD   640   2025-05-25   
605-701 0 Flandreau SD   640   2025-05-25   
765-845 A Connersville IN   937   2025-05-26   
765-845 0 Connersville IN   937   2025-05-26   
775-595 A Eureka-Diamond Valley NV   720   2025-05-22   
775-595 0 Eureka-Diamond Valley NV   720   2025-05-22   
918-620 A Dewey OK TULSOKTB15Z  538   2024-12-27   
918-620 0 Dewey OK TULSOKTB15Z  538   2024-12-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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