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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-307 A Meriden CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-307 0 Meriden CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2023-02-10   
475-307 1 Meriden CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-05-21   
475-307 2 Meriden CT   515J IP HORIZON LLC 920   2022-07-17   
475-307 3 Meriden CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-16   
475-307 4 Meriden CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-16   
475-307 5 Meriden CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-02-20   
475-307 6 Meriden CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-02-20   
475-307 7 Meriden CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-02   
475-307 8 Meriden CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-10-24   
475-307 9 Meriden CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-02   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.