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: 3410 RT COMMUNICATIONS

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-245 A Pine Bluffs WY PNBLWYXCDS0  654      
307-246 A Albin WY ALBNWYXCRS1  654      
307-347 A Worland WY WRLDWYXCDS1  654      
307-375 A Worland WY WRLDWYXCDS1  654      
307-437 A Midwest WY MDWSWYXCRS1  654      
307-457 A Gas Hills WY GSHLWYAARS0  654      
307-465 A Newcastle WY OSAGWYXCRS1  654      
307-467 A Hulett WY HLTTWYXCRS1  654      
307-468 A Upton WY UPTNWYXCRS1  654      
307-544 A Jeffrey City WY JFCYWYXCRS0  654      
307-547 A Burns WY BRNSWYXCRS1  654      
307-649 A Carpenter WY CRPNWYXCRS1  654      
307-738 A Kaycee WY KAYCWYABRS1  654      
307-746 A Newcastle WY NWCSWYXCDS0  654      
307-746 0 Newcastle WY   654      
307-746 1 Newcastle WY   654      
307-746 2 Newcastle WY   654      
307-746 3 Newcastle WY   654      
307-746 4 Newcastle WY   654      
307-746 6 Newcastle WY   654      
307-746 7 Newcastle WY   654      
307-746 9 Newcastle WY   654      
307-756 A Moorcroft WY MRCRWYXCRS1  654      
307-756 0 Moorcroft WY   654      
307-756 1 Moorcroft WY   654      
307-756 3 Moorcroft WY   654      
307-756 4 Moorcroft WY   654      
307-756 5 Moorcroft WY   654      
307-756 6 Moorcroft WY   654      
307-756 7 Moorcroft WY   654      
307-756 8 Moorcroft WY   654      
307-756 9 Moorcroft WY   654      
307-864 A Thermopolis WY THRMWYXCRS1  654      
307-876 A Shoshoni WY SHSHWYXCRS0  654      
406-767 A Ridge MT HLTTWYXCRS1  654      
605-749 A East Newcastle SD NWCSWYXCDS0  654      

Last updated: Wed, 10 Apr 2019 01:22:05 UTC

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