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.

Lake City, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-464 A LKCYIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-464 0 RCCYIAXCBMD  751F MCC TELEPHONY OF IOWA, LLC - IA 630      
712-464 1 LKCYIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-464 2 LKCYIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-464 3 LKCYIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-464 4 LKCYIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-464 5 SXCYIADTQMD  508J CENTURYLINK COMMUNICATIONS, LLC 630      
712-464 6 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-464 7 LKCYIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-464 8 LKCYIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-464 9 LKCYIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-640 A RCCYIA100MD  482J WEBSTER-CALHOUN TELEPHONE ASSOCIATION - IA 630      
712-640 0 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-640 1   624H ONVOY SPECTRUM, LLC 630      
712-640 6 RCCYIA100MD  482J WEBSTER-CALHOUN TELEPHONE ASSOCIATION - IA 630      
712-640 7 SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.