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: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 626

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-626 A Wallingford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-626 0 Wallingford CT NWHNCT030MD  3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT 920      
203-626 1 Wallingford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-626 2 Wallingford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-626 3 Wallingford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-626 4 Wallingford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-626 5 Wallingford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-626 6 Wallingford CT NWHNCT030MD  3863 CTC COMMUNICATIONS CORP. - CT 920      
203-626 7 Wallingford CT NWHNCT030MD  3863 CTC COMMUNICATIONS CORP. - CT 920      
203-626 8 Wallingford CT NWHNCT030MD  3863 CTC COMMUNICATIONS CORP. - CT 920      
203-626 9 Wallingford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.