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: RVTNWYMADS0

Remotes:

Switch Switch name Switch type
LNDRWYMARS1  LANDER  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-855 A Riverton WY 9636 QWEST CORPORATION 654      
307-855 2 Riverton WY 9636 QWEST CORPORATION 654      
307-856 A Riverton WY 9636 QWEST CORPORATION 654      
307-857 A Riverton WY 9636 QWEST CORPORATION 654      
307-857 0 Riverton WY 9636 QWEST CORPORATION 654      
307-857 1 Riverton WY 9636 QWEST CORPORATION 654      
307-857 2 Riverton WY 9636 QWEST CORPORATION 654      
307-857 3 Riverton WY 9636 QWEST CORPORATION 654      
307-857 4 Riverton WY 9636 QWEST CORPORATION 654      
307-857 5 Riverton WY 9636 QWEST CORPORATION 654      
307-857 6 Riverton WY 9636 QWEST CORPORATION 654      
307-857 7 Riverton WY 9636 QWEST CORPORATION 654      
307-857 9 Riverton WY 9636 QWEST CORPORATION 654      

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

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