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.
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Switch: SNANTXCA50Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-285 A San Antonio TX 6630 SPOK, INC. 566      
210-513 A San Antonio TX 6630 SPOK, INC. 566      
210-553 A San Antonio TX 6630 SPOK, INC. 566      
210-603 A San Antonio TX 6630 SPOK, INC. 566      
210-604 A San Antonio TX 6630 SPOK, INC. 566      
210-613 A San Antonio TX 6630 SPOK, INC. 566      
210-713 A San Antonio TX 6630 SPOK, INC. 566      
210-746 A San Antonio TX 6630 SPOK, INC. 566      
210-747 A San Antonio TX 6630 SPOK, INC. 566      
210-752 A San Antonio TX 6630 SPOK, INC. 566      
210-754 A San Antonio TX 6630 SPOK, INC. 566      
210-755 A San Antonio TX 6630 SPOK, INC. 566      
210-813 A San Antonio TX 6630 SPOK, INC. 566      
210-869 A San Antonio TX 6630 SPOK, INC. 566      
830-207 A Fredericksburg TX 6630 SPOK, INC. 566      
830-269 A San Antonio TX 6630 SPOK, INC. 566      
830-337 A Uvalde TX 6630 SPOK, INC. 566      
830-622 A New Braunfels TX 6630 SPOK, INC. 566      
956-344 A Laredo TX 6630 SPOK, INC. 566      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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