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: COPRTXAI1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
903-300 A Cooper TX 4042 CUMBY TELEPHONE COOPERATIVE, INC. 552      
903-300 3 Cooper TX 4042 CUMBY TELEPHONE COOPERATIVE, INC. 552   2004-12-18   
903-366 0 Commerce TX 4042 CUMBY TELEPHONE COOPERATIVE, INC. 552   2013-05-18   
903-395 9 Cooper TX 4042 CUMBY TELEPHONE COOPERATIVE, INC. 552   2020-12-15   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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