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.

Switch: SXFLSDCOTMD

<< 1 2 3 4 5 6

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-937 2 North Morristown ND 452F ONVOY, LLC - ND 640   2019-09-06   
701-937 3 North Morristown ND 452F ONVOY, LLC - ND 640   2019-09-06   
701-937 4 North Morristown ND 452F ONVOY, LLC - ND 640   2021-02-12   
701-937 5 North Morristown ND 452F ONVOY, LLC - ND 640   2021-02-12   
701-937 6 North Morristown ND 452F ONVOY, LLC - ND 640   2021-07-08   
712-746 0 East Harrisburg IA 221F ONVOY, LLC - IA 640   2016-07-18   
712-746 6 East Harrisburg IA 221F ONVOY, LLC - IA 640   2014-09-12   
712-746 8 East Harrisburg IA 221F ONVOY, LLC - IA 640   2019-09-20   
712-746 9 East Harrisburg IA 221F ONVOY, LLC - IA 640   2019-09-20   
712-888 1 Beloit IA 221F ONVOY, LLC - IA 640   2019-09-20   
712-888 2 Beloit IA 221F ONVOY, LLC - IA 640   2019-09-20   
712-986 7 Beloit IA 221F ONVOY, LLC - IA 640   2014-09-12   
712-986 8 Beloit IA 221F ONVOY, LLC - IA 640   2021-05-10   

<< 1 2 3 4 5 6

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.