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.

Last updated: Wed, 01 Jul 2015 02:21:19 UTC

Switch: SNANTX91DS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA Eff date Disc date Map
210-221 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-249 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-268 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-292 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-295 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-312 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566 2007-03-17    map
210-466 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566 2010-04-01    map
210-477 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-539 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566 2010-10-22    map
210-546 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-572 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-581 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-582 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-671 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-808 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566 2007-11-09    map
210-855 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-916 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map
210-925 A San Antonio TX 8434 TIME WARNER TELECOM - TX [link] 566     map

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