Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 207 [Rate centres in NPA 207] [Dial plan for NPA 207]

NXX: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-544 A Portland ME PTLDMEFOY0X  425J CSC WIRELESS, LLC 120      
207-544 0 Portland ME   454F ONVOY, LLC - ME 120   2020-07-19   
207-544 1 Portland ME   454F ONVOY, LLC - ME 120   2020-07-19   
207-544 2 Portland ME   425J CSC WIRELESS, LLC 120   2020-04-17   
207-544 3 Portland ME   6386 BELL ATLANTIC MOBILE, INC 120   2020-08-10   
207-544 4 Portland ME   454F ONVOY, LLC - ME 120   2020-07-07   
207-544 5 Portland ME   454F ONVOY, LLC - ME 120   2020-09-06   
207-544 6 Portland ME   382D LEVEL 3 COMMUNICATIONS, LLC - ME 120   2020-08-28   
207-544 7 Portland ME   382D LEVEL 3 COMMUNICATIONS, LLC - ME 120   2021-08-22   
207-544 8 Portland ME   382D LEVEL 3 COMMUNICATIONS, LLC - ME 120   2021-08-22   
207-544 9 Portland ME   382D LEVEL 3 COMMUNICATIONS, LLC - ME 120   2020-10-24   

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

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