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: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-380 A Iola KS IOLAKSSYDS0  9533 SOUTHWESTERN BELL 532      
620-380 0 Iola KS WCHTKSTPDS0  018H PEERLESS NETWORK OF KANSAS, LLC - KS 532      
620-380 1 Iola KS IOLAKSSYDS0  9533 SOUTHWESTERN BELL 532      
620-380 2 Iola KS   145J TERRA NOVA TELECOM INC. 532      
620-380 3 Iola KS WCHTKSBRX5Y  7593 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS 532      
620-380 5 Iola KS WCHTKSMBX2X  2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532      
620-380 6 Iola KS WCHTKSBRX5Z  318J COMCAST IP PHONE, LLC 532      
620-380 8 Iola KS WCHTKSBRX5Z  318J COMCAST IP PHONE, LLC 532      
620-380 9 Iola KS   515J IP HORIZON LLC 532      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.