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.

Switch: CLMASCTLXSX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
803-241 A Columbia SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-352 A Columbia SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-355 A Columbia SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-362 A Orangeburg SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-503 A Columbia SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-654 A Columbia SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-690 A Columbia SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-698 A Columbia SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-890 A Sumter SC 6630 USA MOBILITY WIRELESS, INC. 434      
803-954 A Columbia SC 6630 USA MOBILITY WIRELESS, INC. 434      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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