- City / exchange
- Tucson
- Province / state
- Arizona
- Country
- United States
- Carrier
- XO Arizona, Inc.
- Line type
- Landline or business line
- OCN
- 4793
- Status
- In Service
- Assigned
- 03/30/2006
- Number pooling
- Yes (block shared between carriers)
520-437 phone numbers
Tucson, Arizona, United States · XO Arizona, Inc.
Reported numbers in 520-437
No numbers in this block have been reported by visitors yet.
What does the 520-437 prefix tell you?
Every North American number is area code + prefix + line. The prefix 520-437 was assigned to XO Arizona, Inc. on 03/30/2006 for the Tucson exchange. A call from this block usually originates from a XO Arizona, Inc. customer in or near Tucson, but caller ID can be spoofed to show any number.
Other Tucson prefixes in 520
520-202520-203520-204520-205520-206520-207520-209520-214520-218520-219520-222520-225520-228520-229520-230520-232520-235520-237520-239520-240520-241520-243520-244520-245520-246520-247520-248520-250520-256520-257520-258520-259520-260520-261520-262520-268520-269520-270520-271520-272520-273520-274520-275520-276520-278520-279520-282520-283520-284520-286520-288520-289520-290520-291520-292520-293520-294520-295520-296520-297