Port Out Requests & LSR Submission

Carriers looking to submit LSRs to port out of Ewart Technologies, Inc. dba IsleCall Communications (SPID 517J) should send them to our Operations Support Center at This email address is being protected from spambots. You need JavaScript enabled to view it.. Please prefix the subject with "LSR Request". Requests will be processed in accordance with industry standard timelines.

The minimum due date is next business day. For requests submitted after 1 PM, then the business day after next (example: request sent at 2pm Monday, minimum due date is Wednesday).

Our business hours are Monday to Friday, 9am to 5pm EST. After hours and weekend support is limited to emergencies only.

Problems, Escalations or Emergency Issues can by sent to This email address is being protected from spambots. You need JavaScript enabled to view it. or by calling 800-867-ISLE, option 1.