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: 207 [Rate centres in NPA 207] [Dial plan for NPA 207]

NXX: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-337 A York ME PTLDMECMAMD  6386 BELL ATLANTIC MOBILE, INC 120      
207-337 0 York ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-337 1 York ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-337 2 York ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-337 3 York ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-337 4 York ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-337 5 York ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-337 6 York ME   7777 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ME 120   2011-05-02   
207-337 7 York ME   1255 CRC COMMUNICATIONS OF MAINE, INC. - ME 120   2011-09-18   
207-337 8 York ME   6386 BELL ATLANTIC MOBILE, INC 120      
207-337 9 York ME   454F ONVOY, LLC - ME 120   2018-10-08   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.