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: MDFDOR33DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
541-245 A Medford OR 9638 QWEST CORPORATION 670      
541-282 A Medford OR 9638 QWEST CORPORATION 670      
541-608 A Medford OR 9638 QWEST CORPORATION 670      
541-618 A Medford OR 9638 QWEST CORPORATION 670      
541-732 A Medford OR 9638 QWEST CORPORATION 670      
541-734 A Medford OR 9638 QWEST CORPORATION 670      
541-770 A Medford OR 9638 QWEST CORPORATION 670      
541-772 A Medford OR 9638 QWEST CORPORATION 670      
541-773 A Medford OR 9638 QWEST CORPORATION 670      
541-774 A Medford OR 9638 QWEST CORPORATION 670      
541-776 A Medford OR 9638 QWEST CORPORATION 670      
541-779 A Medford OR 9638 QWEST CORPORATION 670      
541-789 A Medford OR 9638 QWEST CORPORATION 670      
541-857 A Medford OR 9638 QWEST CORPORATION 670      
541-858 A Medford OR 9638 QWEST CORPORATION 670      
541-864 A Medford OR 9638 QWEST CORPORATION 670      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.