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: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-550 A Portland ME PTLDMEODDS3  1255 CRC COMMUNICATIONS OF MAINE, INC. - ME 120      
207-550 0 Portland ME PTLDME02DS5  925H PEERLESS NETWORK OF MAINE, LLC- ME 120   2018-04-16   
207-550 1 Portland ME PTLDMECMAMD  6386 BELL ATLANTIC MOBILE, INC 120   2020-04-07   
207-550 2 Portland ME PTLDMEFOX6Z  382D LEVEL 3 COMMUNICATIONS, LLC - ME 120   2020-12-15   
207-550 3 Portland ME PTLDMEFOXZY  038F PAETEC COMMUNICATIONS, INC. - ME 120   2018-08-30   
207-550 4 Portland ME PTLDMEODDS3  1255 CRC COMMUNICATIONS OF MAINE, INC. - ME 120   2018-12-18   
207-550 5 Portland ME PTLDMECCXCX  5562 METROPCS, INC. 120   2018-06-11   
207-550 6 Portland ME PTLDMEFOXKZ  882G TELEPORT COMMUNICATIONS AMERICA, LLC - ME 120   2019-08-12   
207-550 7 Portland ME PTLDMECMAMD  6386 BELL ATLANTIC MOBILE, INC 120   2019-03-19   
207-550 8 Portland ME PTLDME02DS2  9472 BIDDEFORD INTERNET CORPORATION - ME 120   2018-12-11   
207-550 9 Portland ME PTLDME02DS2  9472 BIDDEFORD INTERNET CORPORATION - ME 120   2018-12-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.