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: 216

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-216 A Armstrong TX ARMSTXXARS0  2134 RIVIERA TEL. CO., INC. 564      
361-216 0 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      
361-216 1 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      
361-216 2 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      
361-216 3 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      
361-216 4 Armstrong TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-216 5 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      
361-216 6 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      
361-216 7 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      
361-216 8 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      
361-216 9 Armstrong TX   2134 RIVIERA TEL. CO., INC. 564      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.