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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-301 3 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-06-15   
475-301 4 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-06-15   
475-301 5 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-08-06   
475-301 6 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-08-06   
475-301 7 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-08-06   
475-301 8 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-09   
475-301 9 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-01-09   
475-302 A Bridgeport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-302 0 Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-07   
475-302 1 Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-07   
475-302 2 Bridgeport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
475-302 3 Bridgeport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
475-302 4 Bridgeport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
475-302 5 Bridgeport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
475-302 6 Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-07   
475-302 7 Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-07   
475-302 8 Bridgeport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-07   
475-302 9 Bridgeport CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-12-31   
475-303 A Greenwich CT NYCMNY13XJX  478J NUSO, LLC 132      
475-303 0 Greenwich CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2022-01-07   
475-303 1 Greenwich CT NYCMNY13XJX  478J NUSO, LLC 132   2020-11-02   
475-303 2 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-08-08   
475-303 3 Greenwich CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2023-05-08   
475-303 4 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-02-06   
475-303 5 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-02-06   
475-303 6 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-02-06   
475-303 7 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-02-06   
475-303 8 Greenwich CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2021-04-16   
475-303 9 Greenwich CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2022-02-13   
475-304 A Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-304 0 Huntington CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-05-21   
475-304 1 Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-09-11   
475-304 2 Huntington CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-07   
475-304 3 Huntington CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-07   
475-304 4 Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
475-304 5 Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
475-304 6 Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
475-304 7 Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
475-304 8 Huntington CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-01-15   
475-304 9 Huntington CT   515J IP HORIZON LLC 920   2022-07-22   
475-305 A Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-305 0 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-09-30   
475-305 1 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-09-30   
475-305 2 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-09-30   
475-305 3 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-09-30   
475-305 4 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-09-30   
475-305 5 Waterbury CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-12-18   
475-305 6 Waterbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-22   
475-305 7 Waterbury CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2022-01-22   
475-305 8 Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-02-10   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.