diff --git a/std/node/_errors.ts b/std/node/_errors.ts
index 2321bb24f4..864f1252b0 100644
--- a/std/node/_errors.ts
+++ b/std/node/_errors.ts
@@ -21,7 +21,10 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+import { unreachable } from "../testing/asserts.ts";
+
 // It will do so until we'll have Node errors completely ported (#5944):
+
 // Ref: https://github.com/nodejs/node/blob/50d28d4b3a616b04537feff014aa70437f064e30/lib/internal/errors.js#L251
 // Ref: https://github.com/nodejs/node/blob/50d28d4b3a616b04537feff014aa70437f064e30/lib/internal/errors.js#L299
 // Ref: https://github.com/nodejs/node/blob/50d28d4b3a616b04537feff014aa70437f064e30/lib/internal/errors.js#L325
@@ -43,6 +46,299 @@ class ERR_INVALID_ARG_TYPE extends TypeError {
   }
 }
 
+class ERR_OUT_OF_RANGE extends RangeError {
+  code = "ERR_OUT_OF_RANGE";
+
+  constructor(str: string, range: string, received: unknown) {
+    super(
+      `The value of "${str}" is out of range. It must be ${range}. Received ${received}`,
+    );
+
+    const { name } = this;
+    // Add the error code to the name to include it in the stack trace.
+    this.name = `${name} [${this.code}]`;
+    // Access the stack to generate the error message including the error code from the name.
+    this.stack;
+    // Reset the name to the actual name.
+    this.name = name;
+  }
+}
+
 export const codes = {
   ERR_INVALID_ARG_TYPE,
+  ERR_OUT_OF_RANGE,
 };
+
+// In Node these values are coming from libuv:
+// Ref: https://github.com/libuv/libuv/blob/v1.x/include/uv/errno.h
+// Ref: https://github.com/nodejs/node/blob/524123fbf064ff64bb6fcd83485cfc27db932f68/lib/internal/errors.js#L383
+// Since there is no easy way to port code from libuv and these maps are
+// changing very rarely, we simply extract them from Node and store here.
+
+// Note
+// Run the following to get the map:
+// $ node -e "console.log(process.binding('uv').getErrorMap())"
+// This setup automatically exports maps from both "win", "linux" & darwin:
+// https://github.com/schwarzkopfb/node_errno_map
+
+type ErrMapData = Array<[number, [string, string]]>;
+
+const windows: ErrMapData = [
+  [-4093, ["E2BIG", "argument list too long"]],
+  [-4092, ["EACCES", "permission denied"]],
+  [-4091, ["EADDRINUSE", "address already in use"]],
+  [-4090, ["EADDRNOTAVAIL", "address not available"]],
+  [-4089, ["EAFNOSUPPORT", "address family not supported"]],
+  [-4088, ["EAGAIN", "resource temporarily unavailable"]],
+  [-3000, ["EAI_ADDRFAMILY", "address family not supported"]],
+  [-3001, ["EAI_AGAIN", "temporary failure"]],
+  [-3002, ["EAI_BADFLAGS", "bad ai_flags value"]],
+  [-3013, ["EAI_BADHINTS", "invalid value for hints"]],
+  [-3003, ["EAI_CANCELED", "request canceled"]],
+  [-3004, ["EAI_FAIL", "permanent failure"]],
+  [-3005, ["EAI_FAMILY", "ai_family not supported"]],
+  [-3006, ["EAI_MEMORY", "out of memory"]],
+  [-3007, ["EAI_NODATA", "no address"]],
+  [-3008, ["EAI_NONAME", "unknown node or service"]],
+  [-3009, ["EAI_OVERFLOW", "argument buffer overflow"]],
+  [-3014, ["EAI_PROTOCOL", "resolved protocol is unknown"]],
+  [-3010, ["EAI_SERVICE", "service not available for socket type"]],
+  [-3011, ["EAI_SOCKTYPE", "socket type not supported"]],
+  [-4084, ["EALREADY", "connection already in progress"]],
+  [-4083, ["EBADF", "bad file descriptor"]],
+  [-4082, ["EBUSY", "resource busy or locked"]],
+  [-4081, ["ECANCELED", "operation canceled"]],
+  [-4080, ["ECHARSET", "invalid Unicode character"]],
+  [-4079, ["ECONNABORTED", "software caused connection abort"]],
+  [-4078, ["ECONNREFUSED", "connection refused"]],
+  [-4077, ["ECONNRESET", "connection reset by peer"]],
+  [-4076, ["EDESTADDRREQ", "destination address required"]],
+  [-4075, ["EEXIST", "file already exists"]],
+  [-4074, ["EFAULT", "bad address in system call argument"]],
+  [-4036, ["EFBIG", "file too large"]],
+  [-4073, ["EHOSTUNREACH", "host is unreachable"]],
+  [-4072, ["EINTR", "interrupted system call"]],
+  [-4071, ["EINVAL", "invalid argument"]],
+  [-4070, ["EIO", "i/o error"]],
+  [-4069, ["EISCONN", "socket is already connected"]],
+  [-4068, ["EISDIR", "illegal operation on a directory"]],
+  [-4067, ["ELOOP", "too many symbolic links encountered"]],
+  [-4066, ["EMFILE", "too many open files"]],
+  [-4065, ["EMSGSIZE", "message too long"]],
+  [-4064, ["ENAMETOOLONG", "name too long"]],
+  [-4063, ["ENETDOWN", "network is down"]],
+  [-4062, ["ENETUNREACH", "network is unreachable"]],
+  [-4061, ["ENFILE", "file table overflow"]],
+  [-4060, ["ENOBUFS", "no buffer space available"]],
+  [-4059, ["ENODEV", "no such device"]],
+  [-4058, ["ENOENT", "no such file or directory"]],
+  [-4057, ["ENOMEM", "not enough memory"]],
+  [-4056, ["ENONET", "machine is not on the network"]],
+  [-4035, ["ENOPROTOOPT", "protocol not available"]],
+  [-4055, ["ENOSPC", "no space left on device"]],
+  [-4054, ["ENOSYS", "function not implemented"]],
+  [-4053, ["ENOTCONN", "socket is not connected"]],
+  [-4052, ["ENOTDIR", "not a directory"]],
+  [-4051, ["ENOTEMPTY", "directory not empty"]],
+  [-4050, ["ENOTSOCK", "socket operation on non-socket"]],
+  [-4049, ["ENOTSUP", "operation not supported on socket"]],
+  [-4048, ["EPERM", "operation not permitted"]],
+  [-4047, ["EPIPE", "broken pipe"]],
+  [-4046, ["EPROTO", "protocol error"]],
+  [-4045, ["EPROTONOSUPPORT", "protocol not supported"]],
+  [-4044, ["EPROTOTYPE", "protocol wrong type for socket"]],
+  [-4034, ["ERANGE", "result too large"]],
+  [-4043, ["EROFS", "read-only file system"]],
+  [-4042, ["ESHUTDOWN", "cannot send after transport endpoint shutdown"]],
+  [-4041, ["ESPIPE", "invalid seek"]],
+  [-4040, ["ESRCH", "no such process"]],
+  [-4039, ["ETIMEDOUT", "connection timed out"]],
+  [-4038, ["ETXTBSY", "text file is busy"]],
+  [-4037, ["EXDEV", "cross-device link not permitted"]],
+  [-4094, ["UNKNOWN", "unknown error"]],
+  [-4095, ["EOF", "end of file"]],
+  [-4033, ["ENXIO", "no such device or address"]],
+  [-4032, ["EMLINK", "too many links"]],
+  [-4031, ["EHOSTDOWN", "host is down"]],
+  [-4030, ["EREMOTEIO", "remote I/O error"]],
+  [-4029, ["ENOTTY", "inappropriate ioctl for device"]],
+  [-4028, ["EFTYPE", "inappropriate file type or format"]],
+  [-4027, ["EILSEQ", "illegal byte sequence"]],
+];
+
+const darwin: ErrMapData = [
+  [-7, ["E2BIG", "argument list too long"]],
+  [-13, ["EACCES", "permission denied"]],
+  [-48, ["EADDRINUSE", "address already in use"]],
+  [-49, ["EADDRNOTAVAIL", "address not available"]],
+  [-47, ["EAFNOSUPPORT", "address family not supported"]],
+  [-35, ["EAGAIN", "resource temporarily unavailable"]],
+  [-3000, ["EAI_ADDRFAMILY", "address family not supported"]],
+  [-3001, ["EAI_AGAIN", "temporary failure"]],
+  [-3002, ["EAI_BADFLAGS", "bad ai_flags value"]],
+  [-3013, ["EAI_BADHINTS", "invalid value for hints"]],
+  [-3003, ["EAI_CANCELED", "request canceled"]],
+  [-3004, ["EAI_FAIL", "permanent failure"]],
+  [-3005, ["EAI_FAMILY", "ai_family not supported"]],
+  [-3006, ["EAI_MEMORY", "out of memory"]],
+  [-3007, ["EAI_NODATA", "no address"]],
+  [-3008, ["EAI_NONAME", "unknown node or service"]],
+  [-3009, ["EAI_OVERFLOW", "argument buffer overflow"]],
+  [-3014, ["EAI_PROTOCOL", "resolved protocol is unknown"]],
+  [-3010, ["EAI_SERVICE", "service not available for socket type"]],
+  [-3011, ["EAI_SOCKTYPE", "socket type not supported"]],
+  [-37, ["EALREADY", "connection already in progress"]],
+  [-9, ["EBADF", "bad file descriptor"]],
+  [-16, ["EBUSY", "resource busy or locked"]],
+  [-89, ["ECANCELED", "operation canceled"]],
+  [-4080, ["ECHARSET", "invalid Unicode character"]],
+  [-53, ["ECONNABORTED", "software caused connection abort"]],
+  [-61, ["ECONNREFUSED", "connection refused"]],
+  [-54, ["ECONNRESET", "connection reset by peer"]],
+  [-39, ["EDESTADDRREQ", "destination address required"]],
+  [-17, ["EEXIST", "file already exists"]],
+  [-14, ["EFAULT", "bad address in system call argument"]],
+  [-27, ["EFBIG", "file too large"]],
+  [-65, ["EHOSTUNREACH", "host is unreachable"]],
+  [-4, ["EINTR", "interrupted system call"]],
+  [-22, ["EINVAL", "invalid argument"]],
+  [-5, ["EIO", "i/o error"]],
+  [-56, ["EISCONN", "socket is already connected"]],
+  [-21, ["EISDIR", "illegal operation on a directory"]],
+  [-62, ["ELOOP", "too many symbolic links encountered"]],
+  [-24, ["EMFILE", "too many open files"]],
+  [-40, ["EMSGSIZE", "message too long"]],
+  [-63, ["ENAMETOOLONG", "name too long"]],
+  [-50, ["ENETDOWN", "network is down"]],
+  [-51, ["ENETUNREACH", "network is unreachable"]],
+  [-23, ["ENFILE", "file table overflow"]],
+  [-55, ["ENOBUFS", "no buffer space available"]],
+  [-19, ["ENODEV", "no such device"]],
+  [-2, ["ENOENT", "no such file or directory"]],
+  [-12, ["ENOMEM", "not enough memory"]],
+  [-4056, ["ENONET", "machine is not on the network"]],
+  [-42, ["ENOPROTOOPT", "protocol not available"]],
+  [-28, ["ENOSPC", "no space left on device"]],
+  [-78, ["ENOSYS", "function not implemented"]],
+  [-57, ["ENOTCONN", "socket is not connected"]],
+  [-20, ["ENOTDIR", "not a directory"]],
+  [-66, ["ENOTEMPTY", "directory not empty"]],
+  [-38, ["ENOTSOCK", "socket operation on non-socket"]],
+  [-45, ["ENOTSUP", "operation not supported on socket"]],
+  [-1, ["EPERM", "operation not permitted"]],
+  [-32, ["EPIPE", "broken pipe"]],
+  [-100, ["EPROTO", "protocol error"]],
+  [-43, ["EPROTONOSUPPORT", "protocol not supported"]],
+  [-41, ["EPROTOTYPE", "protocol wrong type for socket"]],
+  [-34, ["ERANGE", "result too large"]],
+  [-30, ["EROFS", "read-only file system"]],
+  [-58, ["ESHUTDOWN", "cannot send after transport endpoint shutdown"]],
+  [-29, ["ESPIPE", "invalid seek"]],
+  [-3, ["ESRCH", "no such process"]],
+  [-60, ["ETIMEDOUT", "connection timed out"]],
+  [-26, ["ETXTBSY", "text file is busy"]],
+  [-18, ["EXDEV", "cross-device link not permitted"]],
+  [-4094, ["UNKNOWN", "unknown error"]],
+  [-4095, ["EOF", "end of file"]],
+  [-6, ["ENXIO", "no such device or address"]],
+  [-31, ["EMLINK", "too many links"]],
+  [-64, ["EHOSTDOWN", "host is down"]],
+  [-4030, ["EREMOTEIO", "remote I/O error"]],
+  [-25, ["ENOTTY", "inappropriate ioctl for device"]],
+  [-79, ["EFTYPE", "inappropriate file type or format"]],
+  [-92, ["EILSEQ", "illegal byte sequence"]],
+];
+
+const linux: ErrMapData = [
+  [-7, ["E2BIG", "argument list too long"]],
+  [-13, ["EACCES", "permission denied"]],
+  [-98, ["EADDRINUSE", "address already in use"]],
+  [-99, ["EADDRNOTAVAIL", "address not available"]],
+  [-97, ["EAFNOSUPPORT", "address family not supported"]],
+  [-11, ["EAGAIN", "resource temporarily unavailable"]],
+  [-3000, ["EAI_ADDRFAMILY", "address family not supported"]],
+  [-3001, ["EAI_AGAIN", "temporary failure"]],
+  [-3002, ["EAI_BADFLAGS", "bad ai_flags value"]],
+  [-3013, ["EAI_BADHINTS", "invalid value for hints"]],
+  [-3003, ["EAI_CANCELED", "request canceled"]],
+  [-3004, ["EAI_FAIL", "permanent failure"]],
+  [-3005, ["EAI_FAMILY", "ai_family not supported"]],
+  [-3006, ["EAI_MEMORY", "out of memory"]],
+  [-3007, ["EAI_NODATA", "no address"]],
+  [-3008, ["EAI_NONAME", "unknown node or service"]],
+  [-3009, ["EAI_OVERFLOW", "argument buffer overflow"]],
+  [-3014, ["EAI_PROTOCOL", "resolved protocol is unknown"]],
+  [-3010, ["EAI_SERVICE", "service not available for socket type"]],
+  [-3011, ["EAI_SOCKTYPE", "socket type not supported"]],
+  [-114, ["EALREADY", "connection already in progress"]],
+  [-9, ["EBADF", "bad file descriptor"]],
+  [-16, ["EBUSY", "resource busy or locked"]],
+  [-125, ["ECANCELED", "operation canceled"]],
+  [-4080, ["ECHARSET", "invalid Unicode character"]],
+  [-103, ["ECONNABORTED", "software caused connection abort"]],
+  [-111, ["ECONNREFUSED", "connection refused"]],
+  [-104, ["ECONNRESET", "connection reset by peer"]],
+  [-89, ["EDESTADDRREQ", "destination address required"]],
+  [-17, ["EEXIST", "file already exists"]],
+  [-14, ["EFAULT", "bad address in system call argument"]],
+  [-27, ["EFBIG", "file too large"]],
+  [-113, ["EHOSTUNREACH", "host is unreachable"]],
+  [-4, ["EINTR", "interrupted system call"]],
+  [-22, ["EINVAL", "invalid argument"]],
+  [-5, ["EIO", "i/o error"]],
+  [-106, ["EISCONN", "socket is already connected"]],
+  [-21, ["EISDIR", "illegal operation on a directory"]],
+  [-40, ["ELOOP", "too many symbolic links encountered"]],
+  [-24, ["EMFILE", "too many open files"]],
+  [-90, ["EMSGSIZE", "message too long"]],
+  [-36, ["ENAMETOOLONG", "name too long"]],
+  [-100, ["ENETDOWN", "network is down"]],
+  [-101, ["ENETUNREACH", "network is unreachable"]],
+  [-23, ["ENFILE", "file table overflow"]],
+  [-105, ["ENOBUFS", "no buffer space available"]],
+  [-19, ["ENODEV", "no such device"]],
+  [-2, ["ENOENT", "no such file or directory"]],
+  [-12, ["ENOMEM", "not enough memory"]],
+  [-64, ["ENONET", "machine is not on the network"]],
+  [-92, ["ENOPROTOOPT", "protocol not available"]],
+  [-28, ["ENOSPC", "no space left on device"]],
+  [-38, ["ENOSYS", "function not implemented"]],
+  [-107, ["ENOTCONN", "socket is not connected"]],
+  [-20, ["ENOTDIR", "not a directory"]],
+  [-39, ["ENOTEMPTY", "directory not empty"]],
+  [-88, ["ENOTSOCK", "socket operation on non-socket"]],
+  [-95, ["ENOTSUP", "operation not supported on socket"]],
+  [-1, ["EPERM", "operation not permitted"]],
+  [-32, ["EPIPE", "broken pipe"]],
+  [-71, ["EPROTO", "protocol error"]],
+  [-93, ["EPROTONOSUPPORT", "protocol not supported"]],
+  [-91, ["EPROTOTYPE", "protocol wrong type for socket"]],
+  [-34, ["ERANGE", "result too large"]],
+  [-30, ["EROFS", "read-only file system"]],
+  [-108, ["ESHUTDOWN", "cannot send after transport endpoint shutdown"]],
+  [-29, ["ESPIPE", "invalid seek"]],
+  [-3, ["ESRCH", "no such process"]],
+  [-110, ["ETIMEDOUT", "connection timed out"]],
+  [-26, ["ETXTBSY", "text file is busy"]],
+  [-18, ["EXDEV", "cross-device link not permitted"]],
+  [-4094, ["UNKNOWN", "unknown error"]],
+  [-4095, ["EOF", "end of file"]],
+  [-6, ["ENXIO", "no such device or address"]],
+  [-31, ["EMLINK", "too many links"]],
+  [-112, ["EHOSTDOWN", "host is down"]],
+  [-121, ["EREMOTEIO", "remote I/O error"]],
+  [-25, ["ENOTTY", "inappropriate ioctl for device"]],
+  [-4028, ["EFTYPE", "inappropriate file type or format"]],
+  [-84, ["EILSEQ", "illegal byte sequence"]],
+];
+
+const { os } = Deno.build;
+export const errorMap = new Map<number, [string, string]>(
+  os === "windows"
+    ? windows
+    : os === "darwin"
+    ? darwin
+    : os === "linux"
+    ? linux
+    : unreachable(),
+);
diff --git a/std/node/util.ts b/std/node/util.ts
index 27aa5a12b2..076a5b830b 100644
--- a/std/node/util.ts
+++ b/std/node/util.ts
@@ -1,10 +1,16 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 export { promisify } from "./_util/_util_promisify.ts";
 export { callbackify } from "./_util/_util_callbackify.ts";
+import { codes, errorMap } from "./_errors.ts";
 import * as types from "./_util/_util_types.ts";
-
 export { types };
 
+const NumberIsSafeInteger = Number.isSafeInteger;
+const {
+  ERR_OUT_OF_RANGE,
+  ERR_INVALID_ARG_TYPE,
+} = codes;
+
 const DEFAULT_INSPECT_OPTIONS = {
   showHidden: false,
   depth: 2,
@@ -90,6 +96,16 @@ export function isPrimitive(value: unknown): boolean {
   );
 }
 
+export function getSystemErrorName(code: number): string | undefined {
+  if (typeof code !== "number") {
+    throw new ERR_INVALID_ARG_TYPE("err", "number", code);
+  }
+  if (code >= 0 || !NumberIsSafeInteger(code)) {
+    throw new ERR_OUT_OF_RANGE("err", "a negative integer", code);
+  }
+  return errorMap.get(code)?.[0];
+}
+
 import { _TextDecoder, _TextEncoder } from "./_utils.ts";
 
 /** The global TextDecoder */
diff --git a/std/node/util_test.ts b/std/node/util_test.ts
index 9b55d01785..9db463b99e 100644
--- a/std/node/util_test.ts
+++ b/std/node/util_test.ts
@@ -1,5 +1,11 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import { assert, assertEquals } from "../testing/asserts.ts";
+
+import {
+  assert,
+  assertEquals,
+  assertStrictEquals,
+  assertThrows,
+} from "../testing/asserts.ts";
 import { stripColor } from "../fmt/colors.ts";
 import * as util from "./util.ts";
 
@@ -182,3 +188,35 @@ Deno.test({
     assert(util.types.isDate(new Date()));
   },
 });
+
+Deno.test({
+  name: "[util] getSystemErrorName()",
+  fn() {
+    type FnTestInvalidArg = (code?: unknown) => void;
+
+    assertThrows(
+      () => (util.getSystemErrorName as FnTestInvalidArg)(),
+      TypeError,
+    );
+    assertThrows(
+      () => (util.getSystemErrorName as FnTestInvalidArg)(1),
+      RangeError,
+    );
+
+    assertStrictEquals(util.getSystemErrorName(-424242), undefined);
+
+    switch (Deno.build.os) {
+      case "windows":
+        assertStrictEquals(util.getSystemErrorName(-4091), "EADDRINUSE");
+        break;
+
+      case "darwin":
+        assertStrictEquals(util.getSystemErrorName(-48), "EADDRINUSE");
+        break;
+
+      case "linux":
+        assertStrictEquals(util.getSystemErrorName(-98), "EADDRINUSE");
+        break;
+    }
+  },
+});