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: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 294

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-294 A Port Huron MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
810-294 0 Port Huron MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
810-294 1 Port Huron MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-294 2 Port Huron MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-294 3 Port Huron MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-294 4 Port Huron MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
810-294 5 Port Huron MI DTRTMIBASMD  516C AT&T CORP. 340      
810-294 6 Port Huron MI   460K FIRST COMMUNICATIONS, LLC 340      
810-294 7 Port Huron MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
810-294 8 Port Huron MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-294 9 Port Huron MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.