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: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 760

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-760 A Muskegon MI MSKGMIXKDS1  0695 FRONTIER NORTH, INC. - MI 348      
231-760 0 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2007-03-04   
231-760 1 Muskegon MI MSKGMIXKDS1  0695 FRONTIER NORTH, INC. - MI 348      
231-760 2 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2008-06-27   
231-760 3 Muskegon MI GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2010-06-29   
231-760 4 Muskegon MI GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2008-09-27   
231-760 5 Muskegon MI GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2008-09-27   
231-760 6 Muskegon MI GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2008-09-27   
231-760 7 Muskegon MI GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2010-06-29   
231-760 8 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2011-02-09   
231-760 9 Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2014-01-24   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.