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: SPSNNNZBDS1

Remotes:

Switch Switch name Switch type
ROTANNXARS1  ROTA MP  RSC 
SPSNNNXARS1  SUSUPE(SAIPAN)  RSC 
SPSNNNXBRS1  SUSUPE(SAIPAN)  RSC 
SPSNNNXCRS1  SUSUPE(SAIPAN)  RSC 
SPSNNNXDRS1  SUSUPE(SAIPAN)  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
670-234 A Saipan MP 3700 MICRONESIAN TELECOMMUNICATIONS CORPORATION 870      
670-235 A Saipan MP 3700 MICRONESIAN TELECOMMUNICATIONS CORPORATION 870      
670-236 A Saipan MP 3700 MICRONESIAN TELECOMMUNICATIONS CORPORATION 870      
670-237 A Saipan MP 3700 MICRONESIAN TELECOMMUNICATIONS CORPORATION 870      
670-328 A Saipan MP 3700 MICRONESIAN TELECOMMUNICATIONS CORPORATION 870      
670-664 A Saipan MP 3700 MICRONESIAN TELECOMMUNICATIONS CORPORATION 870      
670-682 A Saipan MP 3700 MICRONESIAN TELECOMMUNICATIONS CORPORATION 870      
670-788 A Saipan MP 387C PTI PACIFICA INC. 870      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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