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: 361 [Rate centres in NPA 361] [Dial plan for NPA 361]

NXX: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-275 A Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 0 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 1 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 2 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 3 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 4 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 5 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 6 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 7 Cuero TX   145J TERRA NOVA TELECOM INC. 564   2021-06-14   
361-275 8 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      
361-275 9 Cuero TX CUERTXCRRS0  9533 SOUTHWESTERN BELL 564      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.