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: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 241

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-241 A New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
475-241 0 New Haven CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-14   
475-241 1 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-09-20   
475-241 2 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-10-18   
475-241 3 New Haven CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2018-09-29   
475-241 4 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-11-07   
475-241 5 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2019-09-20   
475-241 6 New Haven CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2018-10-18   
475-241 7 New Haven CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-27   
475-241 8 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2018-10-21   
475-241 9 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2018-09-01   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.