Texas 지역 코드: 737
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Note：737 지역 번호는 다음과 같습니다 Texas, 미국. 국제 전화 번호는 001737 or 001-737、0010737、+1-737、+1+737、+1737、00-1-737、00 1 737.
More About Area Code 737
Area Code 737 was first put in service July 1, 2013. To avoid exhausting all possible phone numbers in this area code, relief planning has begun. Currently, the largest city it serves is Austin, TX, and it overlaps coverage areas with area code 512.
Active Phone Number Prefixes
| Prefix | Usage | Primary City | Carrier |
| (737) 210- | Landline | Austin | Broadvox-clec |
| (737) 222- | Landline | Austin | Foremost Telecommunications Corporation |
| (737) 247- | Landline | Austin | Logix Communications Corporation |
| (737) 333- | Landline | Austin | Foremost Telecommunications Corporation |
| (737) 346- | Landline | Austin | Austin Bestline Company - Clec |
| (737) 444- | Landline | Georgetown | Foremost Telecommunications Corporation |
| (737) 666- | Landline | Elgin | Foremost Telecommunications Corporation |
| (737) 703- | Landline | Austin | Logix Communications Corporation |
| (737) 704- | Landline | Austin | Grande Communications Networks |
| (737) 777- | Landline | Leander | Foremost Telecommunications Corporation |
| (737) 888- | Landline | Taylor | Foremost Telecommunications Corporation |
| (737) 932- | Landline | Austin | Logix Communications Corporation |
| (737) 999- | Landline | Buda | Foremost Telecommunications Corporation |