diff --git a/lib/assign.js b/lib/assign.js
index 0344921..229fb4e 100644
--- a/lib/assign.js
+++ b/lib/assign.js
@@ -23,7 +23,7 @@
 var isComplexLike = require( '@stdlib/assert-is-complex-like' );
 var isNumber = require( '@stdlib/assert-is-number' ).isPrimitive;
 var isCollection = require( '@stdlib/assert-is-collection' );
-var format = require( '@stdlib/string-format' );
+var format = require( '@stdlib/error-tools-fmtprodmsg' );
 var isnan = require( '@stdlib/math-base-assert-is-nan' );
 var dtype = require( '@stdlib/complex-dtype' );
 var adtype = require( '@stdlib/array-dtype' );
@@ -76,13 +76,13 @@ function linspace( start, stop, out ) {
 		dt1 = dtype( start );
 		if ( dt1 === null ) {
 			if ( !isComplexLike( start ) ) {
-				throw new TypeError( format( 'invalid argument. First argument must be either a real or complex number. Value: `%s`.', start ) );
+				throw new TypeError( format( '0132j', start ) );
 			}
 			dt1 = 'complex128';
 		}
 		flg = true;
 	} else if ( !isNumber( start ) || isnan( start ) ) {
-		throw new TypeError( format( 'invalid argument. First argument must be either a real or complex number. Value: `%s`.', start ) );
+		throw new TypeError( format( '0132j', start ) );
 	} else {
 		dt1 = 'float64';
 	}
@@ -90,18 +90,18 @@ function linspace( start, stop, out ) {
 		dt2 = dtype( stop );
 		if ( dt2 === null ) {
 			if ( !isComplexLike( stop ) ) {
-				throw new TypeError( format( 'invalid argument. Second argument must be either a real or complex number. Value: `%s`.', stop ) );
+				throw new TypeError( format( '0132k', stop ) );
 			}
 			dt2 = 'complex128';
 		}
 		flg = true;
 	} else if ( !isNumber( stop ) || isnan( stop ) ) {
-		throw new TypeError( format( 'invalid argument. Second argument must be either a real or complex number. Value: `%s`.', stop ) );
+		throw new TypeError( format( '0132k', stop ) );
 	} else {
 		dt2 = 'float64';
 	}
 	if ( !isCollection( out ) ) {
-		throw new TypeError( format( 'invalid argument. Third argument must be an array-like object. Value: `%s`.', out ) );
+		throw new TypeError( format( '0132l', out ) );
 	}
 	opts = {
 		'endpoint': defaults.endpoint
@@ -130,7 +130,7 @@ function linspace( start, stop, out ) {
 			acccmplx( o, dt1, start, dt2, stop, out.length, opts.endpoint );
 			return out;
 		}
-		throw new TypeError( 'invalid arguments. If either of the first two arguments are complex numbers, the output array must be a complex number array or a "generic" array-like object.' );
+		throw new TypeError( format('01307') );
 	}
 	o = arraylike2object( out );
 	if ( o.accessorProtocol ) {
diff --git a/lib/main.js b/lib/main.js
index a3aa0e3..6b148e7 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -29,7 +29,7 @@ var ctors = require( '@stdlib/array-typed-float-ctors' );
 var reinterpret64 = require( '@stdlib/strided-base-reinterpret-complex64' );
 var reinterpret128 = require( '@stdlib/strided-base-reinterpret-complex128' );
 var DEFAULTS = require( '@stdlib/array-defaults' );
-var format = require( '@stdlib/string-format' );
+var format = require( '@stdlib/error-tools-fmtprodmsg' );
 var genreal = require( './generic_real.js' );
 var gencmplx = require( './generic_complex.js' );
 var typedreal = require( './typed_real.js' );
@@ -82,13 +82,13 @@ function linspace( start, stop, len ) {
 		dt1 = dtype( start );
 		if ( dt1 === null ) {
 			if ( !isComplexLike( start ) ) {
-				throw new TypeError( format( 'invalid argument. First argument must be either a real or complex number. Value: `%s`.', start ) );
+				throw new TypeError( format( '0132j', start ) );
 			}
 			dt1 = 'complex128';
 		}
 		flg = true;
 	} else if ( !isNumber( start ) || isnan( start ) ) {
-		throw new TypeError( format( 'invalid argument. First argument must be either a real or complex number. Value: `%s`.', start ) );
+		throw new TypeError( format( '0132j', start ) );
 	} else {
 		dt1 = 'float64';
 	}
@@ -96,18 +96,18 @@ function linspace( start, stop, len ) {
 		dt2 = dtype( stop );
 		if ( dt2 === null ) {
 			if ( !isComplexLike( stop ) ) {
-				throw new TypeError( format( 'invalid argument. Second argument must be either a real or complex number. Value: `%s`.', stop ) );
+				throw new TypeError( format( '0132k', stop ) );
 			}
 			dt2 = 'complex128';
 		}
 		flg = true;
 	} else if ( !isNumber( stop ) || isnan( stop ) ) {
-		throw new TypeError( format( 'invalid argument. Second argument must be either a real or complex number. Value: `%s`.', stop ) );
+		throw new TypeError( format( '0132k', stop ) );
 	} else {
 		dt2 = 'float64';
 	}
 	if ( !isNonNegativeInteger( len ) ) {
-		throw new TypeError( format( 'invalid argument. Third argument must be a nonnegative integer. Value: `%s`.', len ) );
+		throw new TypeError( format( '0132m', len ) );
 	}
 	opts = {
 		'endpoint': defaults.endpoint
@@ -132,7 +132,7 @@ function linspace( start, stop, len ) {
 	}
 	ctor = ctors( opts.dtype );
 	if ( ctor === null ) {
-		throw new TypeError( format( 'invalid option. `%s` option must be a real or complex floating-point data type or "generic". Option: `%s`.', 'dtype', opts.dtype ) );
+		throw new TypeError( format( '0132n', 'dtype', opts.dtype ) );
 	}
 	out = new ctor( len );
 	if ( opts.dtype === 'complex64' ) {
@@ -144,7 +144,7 @@ function linspace( start, stop, len ) {
 		return out;
 	}
 	if ( flg ) {
-		throw new TypeError( 'invalid arguments. If either of the first two arguments are complex numbers, the output array data type must be a complex number data type or "generic".' );
+		throw new TypeError( format('01308') );
 	}
 	return typedreal( out, start, stop, len, opts.endpoint );
 }
diff --git a/lib/validate.js b/lib/validate.js
index f0a3b3d..03f4591 100644
--- a/lib/validate.js
+++ b/lib/validate.js
@@ -24,7 +24,7 @@ var isObject = require( '@stdlib/assert-is-plain-object' );
 var hasOwnProp = require( '@stdlib/assert-has-own-property' );
 var isString = require( '@stdlib/assert-is-string' ).isPrimitive;
 var isBoolean = require( '@stdlib/assert-is-boolean' ).isPrimitive;
-var format = require( '@stdlib/string-format' );
+var format = require( '@stdlib/error-tools-fmtprodmsg' );
 
 
 // MAIN //
@@ -51,18 +51,18 @@ var format = require( '@stdlib/string-format' );
 */
 function validate( opts, options ) {
 	if ( !isObject( options ) ) {
-		return new TypeError( format( 'invalid argument. Options argument must be an object. Value: `%s`.', options ) );
+		return new TypeError( format( '0132V', options ) );
 	}
 	if ( hasOwnProp( options, 'dtype' ) ) {
 		opts.dtype = options.dtype;
 		if ( !isString( opts.dtype ) ) {
-			return new TypeError( format( 'invalid option. `%s` option must be a string. Option: `%s`.', 'dtype', opts.dtype ) );
+			return new TypeError( format( '0132W', 'dtype', opts.dtype ) );
 		}
 	}
 	if ( hasOwnProp( options, 'endpoint' ) ) {
 		opts.endpoint = options.endpoint;
 		if ( !isBoolean( opts.endpoint ) ) {
-			return new TypeError( format( 'invalid option. `%s` option must be a boolean. Option: `%s`.', 'endpoint', opts.endpoint ) );
+			return new TypeError( format( '0132o', 'endpoint', opts.endpoint ) );
 		}
 	}
 	return null;
diff --git a/package.json b/package.json
index 3a8eff2..2c8fcc2 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "@stdlib/math-base-assert-is-nan": "^0.2.2",
     "@stdlib/strided-base-reinterpret-complex128": "^0.2.2",
     "@stdlib/strided-base-reinterpret-complex64": "^0.2.1",
-    "@stdlib/string-format": "^0.2.2",
+    "@stdlib/error-tools-fmtprodmsg": "^0.2.2",
     "@stdlib/types": "^0.4.3",
     "@stdlib/utils-define-nonenumerable-read-only-property": "^0.2.2",
     "@stdlib/error-tools-fmtprodmsg": "^0.2.2"