- City / exchange
- Washington
- Province / state
- Missouri
- Country
- United States
- Carrier
- Southwestern Bell
- Line type
- Landline or business line
- OCN
- 9533
- Status
- In Service
- Assigned
- 05/14/2002
- Number pooling
- Yes (block shared between carriers)
636-221 phone numbers
Washington, Missouri, United States · Southwestern Bell
Reported numbers in 636-221
No numbers in this block have been reported by visitors yet.
What does the 636-221 prefix tell you?
Every North American number is area code + prefix + line. The prefix 636-221 was assigned to Southwestern Bell on 05/14/2002 for the Washington exchange. A call from this block usually originates from a Southwestern Bell customer in or near Washington, but caller ID can be spoofed to show any number.