Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-335 A Lander WY LNDRWYMARS1  9636 QWEST CORPORATION 654      
307-335 0 Lander WY   9636 QWEST CORPORATION 654      
307-335 1 Lander WY   9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2012-12-08   
307-335 2 Lander WY   9636 QWEST CORPORATION 654      
307-335 3 Lander WY   9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2005-02-26   
307-335 4 Lander WY   450F ONVOY, LLC - WY 654   2006-07-09   
307-335 5 Lander WY   009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2005-12-17   
307-335 6 Lander WY   9636 QWEST CORPORATION 654      
307-335 7 Lander WY   9636 QWEST CORPORATION 654      
307-335 8 Lander WY   9636 QWEST CORPORATION 654      
307-335 9 Lander WY   9636 QWEST CORPORATION 654      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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