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: 727 [Rate centres in NPA 727] [Dial plan for NPA 727]

NXX: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
727-977 A Clearwater FL TAMSFLDEWMD  158H INVOXIO INCORPORATED 952      
727-977 0 Clearwater FL   197D VONAGE AMERICA LLC 952   2018-12-29   
727-977 1 Clearwater FL   937C ONVOY, LLC - FL 952   2019-06-04   
727-977 2 Clearwater FL   937C ONVOY, LLC - FL 952   2019-06-04   
727-977 3 Clearwater FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 952   2019-03-30   
727-977 4 Clearwater FL   481F CORETEL FLORIDA, INC. - FL 952   2019-04-10   
727-977 5 Clearwater FL   937C ONVOY, LLC - FL 952   2019-06-04   
727-977 6 Clearwater FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 952   2019-01-06   
727-977 7 Clearwater FL   158H INVOXIO INCORPORATED 952   2018-12-20   
727-977 8 Clearwater FL   937C ONVOY, LLC - FL 952   2019-06-04   
727-977 9 Clearwater FL   937C ONVOY, LLC - FL 952   2019-06-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.