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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-407 2 West Spearfish WY 624H ONVOY SPECTRUM, LLC 640      
307-407 5 West Spearfish WY 624H ONVOY SPECTRUM, LLC 640      
307-407 9 West Spearfish WY 624H ONVOY SPECTRUM, LLC 640      
307-785 6 West Belle Fourche WY 624H ONVOY SPECTRUM, LLC 640      
531-221 4 South Yankton NE 624H ONVOY SPECTRUM, LLC 640      
531-221 8 South Yankton NE 624H ONVOY SPECTRUM, LLC 640      
605-405 4 Arlington SD 624H ONVOY SPECTRUM, LLC 640      
605-405 6 Arlington SD 624H ONVOY SPECTRUM, LLC 640      
605-409 7 Harrisburg-Tea SD 624H ONVOY SPECTRUM, LLC 640      
605-418 2 Aberdeen SD 624H ONVOY SPECTRUM, LLC 640      
605-418 3 Aberdeen SD 624H ONVOY SPECTRUM, LLC 640      
605-518 3 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-518 4 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-518 5 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-518 6 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-518 7 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-606 A Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-606 1 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-606 3 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-606 4 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-606 5 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-606 6 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-606 7 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-606 9 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-616 A Canton SD 624H ONVOY SPECTRUM, LLC 640      
605-616 1 Canton SD 624H ONVOY SPECTRUM, LLC 640      
605-616 6 Canton SD 624H ONVOY SPECTRUM, LLC 640      
605-705 7 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-705 8 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-705 9 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-709 8 Harrisburg-Tea SD 624H ONVOY SPECTRUM, LLC 640      
605-709 9 Harrisburg-Tea SD 624H ONVOY SPECTRUM, LLC 640      
605-812 0 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-812 1 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-812 2 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-812 6 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-812 7 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-812 8 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
605-815 7 Chamberlain SD 624H ONVOY SPECTRUM, LLC 640      
605-860 7 De Smet SD 624H ONVOY SPECTRUM, LLC 640      
605-900 9 Sioux Falls SD 624H ONVOY SPECTRUM, LLC 640      
701-503 2 North McIntosh ND 624H ONVOY SPECTRUM, LLC 640      
701-503 7 North McIntosh ND 624H ONVOY SPECTRUM, LLC 640      
701-937 9 North Morristown ND 624H ONVOY SPECTRUM, LLC 640      
712-612 A East Harrisburg IA 624H ONVOY SPECTRUM, LLC 640      
712-612 1 East Harrisburg IA 624H ONVOY SPECTRUM, LLC 640      
712-612 6 East Harrisburg IA 624H ONVOY SPECTRUM, LLC 640      
712-888 6 Beloit IA 624H ONVOY SPECTRUM, LLC 640      

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

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