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: 534 [Rate centres in NPA 534] [Dial plan for NPA 534]

NXX: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-544 A Hudson WI EUCLWI01X9X  225C ONVOY, LLC - WI 352      
534-544 0 Hudson WI EUCLWIATMMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 352   2020-11-17   
534-544 1 Hudson WI EUCLWI01XJX  6701 AERIAL COMMUNICATIONS, INC. 352   2021-01-04   
534-544 2 Hudson WI EUCLWI01XJX  6701 AERIAL COMMUNICATIONS, INC. 352   2021-01-04   
534-544 3 Hudson WI EUCLWI01X9X  225C ONVOY, LLC - WI 352   2020-07-07   
534-544 4 Hudson WI EUCLWI01X9X  225C ONVOY, LLC - WI 352   2020-07-07   
534-544 5 Hudson WI EUCLWI01X9X  225C ONVOY, LLC - WI 352   2019-02-04   
534-544 6 Hudson WI EUCLWI01XQX  318J COMCAST IP PHONE, LLC 352   2019-07-01   
534-544 7 Hudson WI EUCLWIATMMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 352   2020-09-09   
534-544 8 Hudson WI EUCLWI01X9X  225C ONVOY, LLC - WI 352   2023-08-14   
534-544 9 Hudson WI EUCLWIAU5MD  197D VONAGE AMERICA LLC 352   2023-12-29   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.