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: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-257 A Corvallis OR EUGNOR53X2X  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 670      
541-257 0 Corvallis OR EUGNOR53XUX  624H ONVOY SPECTRUM, LLC 670      
541-257 1 Corvallis OR EUGNOR53X4Y  318J COMCAST IP PHONE, LLC 670      
541-257 2 Corvallis OR EUGNOR53X2X  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 670      
541-257 3 Corvallis OR EUGNOR53X2X  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 670      
541-257 4 Corvallis OR EUGNOR53X2X  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 670      
541-257 5 Corvallis OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670      
541-257 6 Corvallis OR EUGNOR53X2X  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 670      
541-257 7 Corvallis OR CSBYORXXIMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670      
541-257 8 Corvallis OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670      
541-257 9 Corvallis OR EUGNOR53X2X  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 670      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.