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.

NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 498

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-498 A Stafford-Sandy OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-498 0 Stafford-Sandy OR PTLJORIY1MD  5562 METROPCS, INC. 672      
503-498 1 Stafford-Sandy OR PTLJORIY1MD  5562 METROPCS, INC. 672      
503-498 2 Stafford-Sandy OR PTLJORIY1MD  5562 METROPCS, INC. 672      
503-498 3 Stafford-Sandy OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-498 4 Stafford-Sandy OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-498 5 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-498 6 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-498 7 Stafford-Sandy OR PTLJORIY1MD  5562 METROPCS, INC. 672      
503-498 8 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-498 9 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.