diff --git a/hello-express/app.js b/hello-express/app.js
new file mode 100644
index 0000000..ad7911f
--- /dev/null
+++ b/hello-express/app.js
@@ -0,0 +1,16 @@
+const express = require('express');
+
+const app = express();
+
+app.get('/', (req, res) => {
+  res.send('Hello World');
+});
+
+app.get('/ctp', (req, res) => {
+  res.send('Hello CTP STUDENTS!!!');
+});
+
+
+app.listen(8000, () => {
+  console.log('App Server started!');
+});
\ No newline at end of file
diff --git a/hello-express/package-lock.json b/hello-express/package-lock.json
new file mode 100644
index 0000000..5719343
--- /dev/null
+++ b/hello-express/package-lock.json
@@ -0,0 +1,357 @@
+{
+  "name": "hello-express",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "accepts": {
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+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
+      "integrity": "sha1-hiRnWMfdbSGmR0/whKR0DsBesh8=",
+      "requires": {
+        "mime-types": "2.1.17",
+        "negotiator": "0.6.1"
+      }
+    },
+    "array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
+    "body-parser": {
+      "version": "1.18.2",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.2.tgz",
+      "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
+      "requires": {
+        "bytes": "3.0.0",
+        "content-type": "1.0.4",
+        "debug": "2.6.9",
+        "depd": "1.1.1",
+        "http-errors": "1.6.2",
+        "iconv-lite": "0.4.19",
+        "on-finished": "2.3.0",
+        "qs": "6.5.1",
+        "raw-body": "2.3.2",
+        "type-is": "1.6.15"
+      }
+    },
+    "bytes": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
+      "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
+    },
+    "content-disposition": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
+      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
+    },
+    "content-type": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
+    },
+    "cookie": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
+      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
+    },
+    "cookie-signature": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
+    },
+    "debug": {
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+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
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+      "requires": {
+        "ms": "2.0.0"
+      }
+    },
+    "depd": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.1.tgz",
+      "integrity": "sha1-V4O04cRZ8G+lyif5kfPQbnoxA1k="
+    },
+    "destroy": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
+      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
+    },
+    "ee-first": {
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+      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
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+      "requires": {
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+        "array-flatten": "1.1.1",
+        "body-parser": "1.18.2",
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+        "content-type": "1.0.4",
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+        "debug": "2.6.9",
+        "depd": "1.1.1",
+        "encodeurl": "1.0.1",
+        "escape-html": "1.0.3",
+        "etag": "1.8.1",
+        "finalhandler": "1.1.0",
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+        "setprototypeof": "1.1.0",
+        "statuses": "1.3.1",
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+        "utils-merge": "1.0.1",
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+      }
+    },
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+        "escape-html": "1.0.3",
+        "etag": "1.8.1",
+        "fresh": "0.5.2",
+        "http-errors": "1.6.2",
+        "mime": "1.4.1",
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+        "on-finished": "2.3.0",
+        "range-parser": "1.2.0",
+        "statuses": "1.3.1"
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+        "escape-html": "1.0.3",
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+        "send": "0.16.1"
+      }
+    },
+    "setprototypeof": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
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+      "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
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+      "integrity": "sha1-yrEPtJCeRByChC6v4a1kbIGARBA=",
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "2.1.17"
+      }
+    },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+    },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
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+  }
+}
diff --git a/hello-express/package.json b/hello-express/package.json
new file mode 100644
index 0000000..652d29d
--- /dev/null
+++ b/hello-express/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "hello-express",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.16.1"
+  }
+}
diff --git a/zip-api/app.js b/zip-api/app.js
index df1f97b..cc53a41 100644
--- a/zip-api/app.js
+++ b/zip-api/app.js
@@ -6,7 +6,7 @@ const zipdb = require('./zipData');
 const PORT = process.env.PORT || 8000;
 
 
-// console.log(zipdb.byCity);
+//console.log(zipdb.byCity);
 
 
 app.get('/', (req, res) => {
@@ -15,12 +15,26 @@ app.get('/', (req, res) => {
 
 
 app.get('/zip/:zipcode', (req, res) => {
-  // fill in...
+  const zip = req.params.zipcode;
+  const results = zipdb.byZip[zip];
+
+  if (results === undefined) {
+  	res.sendStatus(404);
+  } else {
+  	res.json(results);
+  }
 });
 
 
 app.get('/city/:cityname', (req, res) => {
-  // fill in...
+  const city = req.params.cityname;
+  const results = zipdb.byCity[city.toUpperCase()];
+
+  if (results === undefined) {
+  	res.sendStatus(404);
+  } else {
+  	res.json(results);
+  }
 });
 
 
diff --git a/zip-api/package-lock.json b/zip-api/package-lock.json
index 3b11c21..766f36a 100644
--- a/zip-api/package-lock.json
+++ b/zip-api/package-lock.json
@@ -212,7 +212,6 @@
       "requires": {
         "anymatch": "1.3.2",
         "async-each": "1.0.1",
-        "fsevents": "1.1.2",
         "glob-parent": "2.0.0",
         "inherits": "2.0.3",
         "is-binary-path": "1.0.1",
@@ -539,791 +538,6 @@
       "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
       "integrity": "sha1-g8YK/Fi5xWmXAH7Rp2izqzA6RP4="
     },
-    "fsevents": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.1.2.tgz",
-      "integrity": "sha512-Sn44E5wQW4bTHXvQmvSHwqbuiXtduD6Rrjm2ZtUEGbyrig+nUH3t/QD4M4/ZXViY556TBpRgZkHLDx3JxPwxiw==",
-      "optional": true,
-      "requires": {
-        "nan": "2.7.0",
-        "node-pre-gyp": "0.6.36"
-      },
-      "dependencies": {
-        "abbrev": {
-          "version": "1.1.0",
-          "bundled": true,
-          "optional": true
-        },
-        "ajv": {
-          "version": "4.11.8",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "co": "4.6.0",
-            "json-stable-stringify": "1.0.1"
-          }
-        },
-        "ansi-regex": {
-          "version": "2.1.1",
-          "bundled": true
-        },
-        "aproba": {
-          "version": "1.1.1",
-          "bundled": true,
-          "optional": true
-        },
-        "are-we-there-yet": {
-          "version": "1.1.4",
-          "bundled": true,
-          "optional": true,
-          "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.2.9"
-          }
-        },
-        "asn1": {
-          "version": "0.2.3",
-          "bundled": true,
-          "optional": true
-        },
-        "assert-plus": {
-          "version": "0.2.0",
-          "bundled": true,
-          "optional": true
-        },
-        "asynckit": {
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