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: 732 [Rate centres in NPA 732] [Dial plan for NPA 732]

NXX: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
732-230 A Monmouth Junction NJ NBWKNJ17DS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224      
732-230 0 Monmouth Junction NJ BLVLNJAADS0  8407 COOPERATIVE COMMUNICATIONS, INC. 224   2002-04-01   
732-230 1 Monmouth Junction NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2012-08-03   
732-230 2 Monmouth Junction NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2005-04-22   
732-230 3 Monmouth Junction NJ NBWKNJNBX3Z  318J COMCAST IP PHONE, LLC 224   2005-08-21   
732-230 4 Monmouth Junction NJ   829J PAETEC ITEL, LLC 224   2005-06-30   
732-230 5 Monmouth Junction NJ NBWKNJ17DS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2005-06-24   
732-230 6 Monmouth Junction NJ NBWKNJ17DS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2005-08-11   
732-230 7 Monmouth Junction NJ NBWKNJ17DS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2005-08-11   
732-230 8 Monmouth Junction NJ   829J PAETEC ITEL, LLC 224   2002-04-03   
732-230 9 Monmouth Junction NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2024-02-10   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.