Prefix Information
The prefix 504 is part of area code 281 serving Houston, Texas.
This exchange contains 10,000 possible phone numbers (281-504-0000 through 281-504-9999).
Phone numbers with prefix 504 in area code 281. Location: Houston, Texas.
The prefix 504 is part of area code 281 serving Houston, Texas.
This exchange contains 10,000 possible phone numbers (281-504-0000 through 281-504-9999).