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.

Eastport, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-273 A GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-273 0 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-273 1 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-273 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-273 3 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-273 4 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-273 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-273 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-273 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-273 8 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-273 9 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-435 A GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-435 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-599 A ESPTMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-599 0 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-599 1 ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-599 2 ESPTMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-599 3 ESPTMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-599 4 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-599 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-599 6 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-599 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-599 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-599 9 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.