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: 268A ADVANCED COMMUNICATIONS TECHNOLOGY, INC. - WY

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-309 9 Glenrock WY SHRDWYCT0MD  654   2015-01-11   
307-425 A Buffalo WY BFLOWYAO1MD  654      
307-438 7 Lander WY RVTNWYBY1MD  654   2009-06-03   
307-624 1 Douglas WY SHRDWYCT0MD  654   2015-01-11   
307-675 A Sheridan WY SHRDWYCT0MD  654      
307-681 A Gillette WY GLTTWYHF0MD  654      
307-854 A Riverton WY RVTNWYBY1MD  654      
307-854 0 Riverton WY RVTNWYBY1MD  654      
307-854 1 Riverton WY RVTNWYBY1MD  654      
307-854 2 Riverton WY RVTNWYBY1MD  654      
307-854 3 Riverton WY RVTNWYBY1MD  654      
307-854 4 Riverton WY RVTNWYBY1MD  654      
307-854 5 Riverton WY RVTNWYBY1MD  654      
307-854 6 Riverton WY RVTNWYBY1MD  654      
307-854 7 Riverton WY RVTNWYBY1MD  654      
307-854 9 Riverton WY RVTNWYBY1MD  654      
307-881 A Wheatland WY WHLDWY280MD  654      
307-881 1 Wheatland WY WHLDWY280MD  654   2015-01-12   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.