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: HSTNTXAPDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-212 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-218 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-226 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-244 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-280 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-282 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-283 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-284 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-286 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-461 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-480 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-483 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-486 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-488 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-792 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-853 A Apollo TX 9533 SOUTHWESTERN BELL 560      
281-990 A Apollo TX 9533 SOUTHWESTERN BELL 560      

Last updated: Sat, 09 Mar 2019 02:16:03 UTC

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