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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-666 A Albany OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
541-666 0 Albany OR CSBYORXXIMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670   2017-07-31   
541-666 1 Albany OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2016-07-21   
541-666 2 Albany OR EUGNOR53X4Y  318J COMCAST IP PHONE, LLC 670   2016-05-26   
541-666 3 Albany OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2016-03-20   
541-666 4 Albany OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2016-03-20   
541-666 5 Albany OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2016-07-21   
541-666 6 Albany OR CSBYORXXIMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670   2016-03-20   
541-666 7 Albany OR EUGNOR53XCX  508J CENTURYLINK COMMUNICATIONS, LLC 670   2016-03-21   
541-666 8 Albany OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670   2016-03-19   
541-666 9 Albany OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670   2016-03-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.