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: TRALPRCOCM3

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
787-393 8 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 A Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 0 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 1 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 2 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 3 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 4 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 5 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 6 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 7 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      
787-394 8 Santurce PR 4823 PUERTO RICO TELCO DBA CLARO PUERTO RICO 820      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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