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.

OCN: 075L RICE TELECOM CORPORATION

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
979-438 A Angleton TX   560   2025-06-13   
979-438 0 Angleton TX   560   2025-06-13   
979-438 2 Angleton TX   560   2025-06-13   
979-438 9 Angleton TX   560   2025-06-13   
979-855 A Markham TX   560   2025-04-27   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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