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: 2251 RANGE TELEPHONE COOPERATIVE, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-283 A Sundance WY SNDNWYXCDS0  654      
307-736 A Arvada WY ARVDWYXCRS1  654      
307-737 A Southeast Sheridan WY SESNWYXCDS0  654      
307-750 A Decker WY DCKRMTXCRS1  654      
307-758 A Clearmont WY CLMTWYXCRS1  654      
307-878 A South Alzada WY ALZDMTXCRS1  650      
406-342 A Hysham MT HYSHMTXCRS1  650      
406-347 A Rosebud MT RSBDMTXCRS1  650      
406-421 A South Miles City MT MLCYMTXCRS1  650      
406-427 A South Broadus MT BRDSMTXBDS0  650      
406-436 A Broadus MT BRDSMTXBDS0  650      
406-477 A Lame Deer MT LMDRMTXCRS1  650      
406-477 3 Lame Deer MT   650      
406-477 4 Lame Deer MT   650      
406-477 5 Lame Deer MT   650      
406-477 6 Lame Deer MT   650      
406-477 7 Lame Deer MT   650      
406-477 8 Lame Deer MT   650      
406-477 9 Lame Deer MT   650      
406-554 A North Broadus MT BRDSMTXCRS1  650      
406-592 A Busby MT BSBYMTXCRS1  650      
406-592 3 Busby MT   650      
406-592 4 Busby MT   650      
406-592 5 Busby MT   650      
406-592 6 Busby MT   650      
406-592 7 Busby MT   650      
406-592 8 Busby MT   650      
406-592 9 Busby MT   650      
406-757 A Decker MT DCKRMTXCRS1  654      
406-784 A Ashland MT ASLDMTXCRS1  650      
406-828 A Alzada MT ALZDMTXCRS1  650      
406-984 A Birney MT BRNYMTXCRS1  650      
406-984 3 Birney MT   650      
406-984 4 Birney MT   650      
406-984 5 Birney MT   650      
406-984 6 Birney MT   650      
406-984 7 Birney MT   650      
406-984 8 Birney MT   650      
406-984 9 Birney MT   650      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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