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.

Switch: WTLDIAXODS0

Remotes:

Switch Switch name Switch type
BNNTIAXORS1  BENNETT  RSC 
CLMSIAXORS2  CALAMUS  RSC 
DLMRIA01RS0    RSC 
LWDNIA01RS0    RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-374 A Wheatland IA 1160 F&B COMMUNICATIONS, INC. 634      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.