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: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

NXX: 655

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-655 A Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      
248-655 0 Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      
248-655 1 Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      
248-655 2 Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      
248-655 3 Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      
248-655 4 Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      
248-655 5 Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      
248-655 6 Royal Oak MI   829J PAETEC ITEL, LLC 340      
248-655 7 Royal Oak MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-655 8 Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      
248-655 9 Royal Oak MI TROYMISMDS0  9323 MICHIGAN BELL TEL CO 340      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.