Enter a number in E.164 format (for example +441952612345)
The prefix +55 1644 serves the region of São Paulo.
Our database lists the carrier as "Vivo (Telefônica Brasil)".
Mapped location for +55 1644 is (-23.5506507, -46.6333824).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇧🇷 Brazil
Country Code: +55
Carrier: Vivo (Telefônica Brasil)
Prefix: 1644
Location: São Paulo
Coords: -23.5506507, -46.6333824
Area Code Page: +55 1644
Comments: Disabled for area-code pages
Example: +55 1644 *** ***
If you have a full number, use the search box above to view the number-specific page.
+55 1644 is an area code/prefix that appears to be associated with São Paulo. It may be assigned to multiple phone numbers within that region.
Yes — use Ringbat's number search to look up a full number. This area-code page helps when only part of a number is known.
Carrier information for this prefix: Vivo (Telefônica Brasil). In some cases multiple carriers may use similar prefixes.
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