diff --git a/README.md b/README.md
index d87d36a..eb84452 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ pip install atlus
 >>> atlus.get_address("789 Oak Dr, Smallville California, 98765")[0]
 {"addr:housenumber": "789", "addr:street": "Oak Drive", "addr:city": "Smallville", "addr:state": "CA", "addr:postcode": "98765"}
 >>> atlus.get_phone("(202) 900-9019")
-"+1 202-900-9019"
+"+1-202-900-9019"
 ```
 
 ## Docs
diff --git a/src/atlus/__init__.py b/src/atlus/__init__.py
index ec45294..ff78c27 100644
--- a/src/atlus/__init__.py
+++ b/src/atlus/__init__.py
@@ -12,7 +12,7 @@
 {"addr:housenumber": "789", "addr:street": "Oak Drive", "addr:city": "Smallville",
     "addr:state": "CA", "addr:postcode": "98765"}
 >>> atlus.get_phone("(202) 900-9019")
-"+1 202-900-9019"
+"+1-202-900-9019"
 ```
 
 """
diff --git a/src/atlus/atlus.py b/src/atlus/atlus.py
index a58765f..100238a 100644
--- a/src/atlus/atlus.py
+++ b/src/atlus/atlus.py
@@ -466,13 +466,13 @@ def get_address(address_string: str) -> tuple[dict[str, str], list[str | None]]:
 
 
 def get_phone(phone: str) -> str:
-    """Format phone numbers to the US and Canadian standard format of `+1 XXX-XXX-XXXX`.
+    """Format phone numbers to the US and Canadian standard format of `+1-XXX-XXX-XXXX`.
 
     ```python
     >>> get_phone("2029009019")
-    "+1 202-900-9019"
+    "+1-202-900-9019"
     >>> get_phone("(202) 900-9019")
-    "+1 202-900-9019"
+    "+1-202-900-9019"
     >>> get_phone("202-900-901")
     ValueError: Invalid phone number: 202-900-901
     ```
@@ -491,6 +491,6 @@ def get_phone(phone: str) -> str:
     )
     if phone_valid:
         return (
-            f"+1 {phone_valid.group(1)}-{phone_valid.group(2)}-{phone_valid.group(3)}"
+            f"+1-{phone_valid.group(1)}-{phone_valid.group(2)}-{phone_valid.group(3)}"
         )
     raise ValueError(f"Invalid phone number: {phone}")
diff --git a/tests/test.py b/tests/test.py
index 0626d26..2501b3e 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -433,11 +433,11 @@ def test_get_address_removed_postcode() -> None:
 
 def test_valid_phone_number() -> None:
     """Test cases for valid phone numbers"""
-    assert get_phone("2029009019") == "+1 202-900-9019"
-    assert get_phone("(202) 900-9019") == "+1 202-900-9019"
-    assert get_phone("202-900-9019") == "+1 202-900-9019"
-    assert get_phone("+1 202 900 9019") == "+1 202-900-9019"
-    assert get_phone("+1 (202) 900-9019") == "+1 202-900-9019"
+    assert get_phone("2029009019") == "+1-202-900-9019"
+    assert get_phone("(202) 900-9019") == "+1-202-900-9019"
+    assert get_phone("202-900-9019") == "+1-202-900-9019"
+    assert get_phone("+1 202 900 9019") == "+1-202-900-9019"
+    assert get_phone("+1 (202) 900-9019") == "+1-202-900-9019"
 
 
 def test_invalid_phone_number_1() -> None: